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Austin Allegro
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| Austin Allegro | |
|---|---|
| Overview | |
| Manufacturer | Austin (British Leyland) |
| Also called |
|
| Production | 1973–1982 |
| Assembly | United Kingdom: Longbridge, Birmingham (Longbridge plant) Belgium: Seneffe New Zealand: Auckland; Petone (NZMC) Italy: Lambrate, Milan (Innocenti: 1974–1975) |
| Designer | Harris Mann |
| Body and chassis | |
| Class | Small family car (C) |
| Body style | 2-door saloon 3-door estate 4-door saloon |
| Layout | FF layout |
| Powertrain | |
| Engine | 1.0 L A-Series I4 1.1 L A-Series I4 1.3 L A-Series I4 1.5 L E-Series I4 1.7 L E-Series I4 |
| Dimensions | |
| Wheelbase | 2,438 mm (96 in) |
| Length | 3,861 mm (152 in) (saloon), 3,993 mm (157.2 in) (estate) |
| Width | 1,600 mm (63 in) |
| Height | 1,397 mm (55 in) |
| Kerb weight | 869 kg (1,915 lb) (approx) |
| Chronology | |
| Predecessor | Austin 1100/1300 |
| Successor | Austin Maestro (Hatchback) Austin Montego (Saloon) |
The Austin Allegro is a small family car that was manufactured by the Austin-Morris division of British Leyland (BL) from 1973 until 1982. The same vehicle was built in Italy by Innocenti between 1974 and 1975 and sold as the Innocenti Regent. The Allegro[2] was designed as a replacement for the Austin 1100 and 1300 models. In total, 642,350 Austin Allegros were produced during its 10-year production life, most of which were sold on the home market, less than a third of 2.1 million 1100s and 1300s sold in the previous 11 years.
It was built and sold by British Leyland alongside the hatchback Austin Maxi (launched in 1969) and the 1971 rear-wheel-drive Morris Marina. All three were eventually replaced by the Austin Maestro in 1983.
Design
[edit]British Leyland used a saloon design for the Allegro rather than a hatchback, as the company had decided that the Austin Maxi should have a hatchback as its unique selling point.

The Allegro used front-wheel drive, with the familiar A-Series engine with a sump-mounted transmission. The higher-specification models used the SOHC E-Series engine from the Maxi, in 1500 cc and 1750 cc displacements. The two-box saloon bodyshell was suspended using the new Hydragas system (derived from the previous Hydrolastic system used on the 1100/1300).

Stylistically, it went against the sharp-edged styling cues largely led by Italian designer Giorgetto Giugiaro that were becoming fashionable, and featured rounded panel work. The original styling proposal, by Harris Mann, had the same sleek, wedge-like shape of the Princess, but because British Leyland management, keen to control costs, wanted to install the existing E-Series engine and bulky heating system from the Marina, it became impossible to incorporate the low bonnet line as envisaged: the bodyshell began to look more and more bloated and tubby. This was acceptable to BL, however, which according to Jeff Daniels' book British Leyland, The Truth About The Cars, published in 1980, wanted to follow the Citroën approach of combining advanced technology with styling that eschewed mainstream trends in order to create long-lasting "timeless" models. Its unfashionable shape was thus not a problem to the company. The final car bore little resemblance to Mann's original concept that had originally been conceived as an 1100/1300 reskin.
With the Allegro, the BL avoided the full extent of badge engineering that had defined the marketing of its predecessor, which was mostly sold as an Austin although it was badged under almost all of the brands which BMC/BL owned, but it nevertheless introduced in September 1974[3] an upmarket Allegro, branded as the Vanden Plas 1500/automatic. This featured a prominent grille at the front and an interior enhanced by a range of modifications designed to attract traditionally inclined customers, including: special seats upholstered in real leather, with reclining backrests; deep-pile carpets; extra sound insulation; a new instrument panel in walnut; walnut folding tables for the rear passengers; nylon headlining; and for the luggage, a fully trimmed boot. In 1974, a time when the UK starting price for the Austin Allegro was given as £1159 (£11,731.77 in 2018 money), BL was quoting, at launch, a list price of £1951 (£19,748.65 in 2018) for the Vanden Plas 1500.[3] The Allegro name was not used on this version.

Early Allegro models featured a "quartic" steering wheel, which was rectangular with rounded sides. This was touted as allowing extra room between the base of the steering wheel and the driver's legs. The quartic steering wheel was unpopular, and was dropped in 1974 when the SS model was replaced by the HL. The VP 1500 was never introduced with one, despite it being featured in the owner's manual. Despite this feature only having appeared on certain models for a limited time, the Allegro has always been associated with the criticism that it "had a square steering wheel". It could now be seen as being ahead of its time as today many cars have squared off lower section steering wheels and some Formula 1 cars have square steering wheels. Some other BL cars from this period were fitted with a semi-quartic steering wheel, such as the Rover SD1.
In April 1975 a three-door estate car version was added to the range. Allegros were now coming off the production line with the same conventional steering wheel as the Morris Marina,[4] although the company waited till early June 1975 to announce, rather quietly, the demise of the Allegro's quartic steering wheel, presumably to give time for older cars to emerge from the sales and distribution network. Similar to the two-door saloon, the Allegro estate had a coachline and also featured a rear wash-wipe. The spare wheel was housed under the rear load floor area. It was only in production for about 100 days before the arrival of the Series 2 model, making Series I Allegro estate rarer than most other models in the range.
There was a similar situation in New Zealand, where the New Zealand Motor Corporation, which at the time had CKD kit assembly plants in Newmarket and Panmure, Auckland, and Petone, Wellington, began Allegro assembly in 1975 with the circular steering wheel. Only a few hundred 'Mark Ones', among the first locally-built car models to have a factory-fitted heated rear window, were built before the 'Mark Two' was launched. Most Allegros sold in New Zealand had the 1300 cc A-series OHV engine and four-speed manual gearbox. Later, the 1.5-litre OHC engine was offered with a four-speed automatic 'box, but this was eventually dropped. NZMC, moving away from UK-sourced cars to models from its Honda franchise (it began Civic assembly in 1976, with the Accord following in 1978), later rationalised Allegro output to offer just two paint colours, metallic brown or solid dark blue, with a cream vinyl roof and brown interior trim. One batch of 48 'Mark Three' CKD kits was shipped from England after NZMC had decided to drop the Allegro in 1980, and these were assembled and sold, also in brown or cream; these rare cars have four round headlights rather than two square units, and different tail lights, plus a restyled dashboard.
Dimensions
[edit]
- Overall length: 3,861 mm (152 in)
- Overall width: 1,600 mm (63 in)
- Height: 1,397 mm (55 in)
- Wheelbase: 2,438 mm (96 in)
- Track: 1,346 mm (53 in)
- Weight: 1,915 lb (869 kg)
The Allegro was fitted with 13" pressed-steel wheels fitted with 145 tyres, 155 on 1750, Sport and Vanden Plas derivatives.
Allegro 2 (1975–1979)
[edit]Launched in time for the London Motor Show in October 1975, the Allegro 2 had the same bodyshells but featured a new grille, reversing lights on most models and some interior changes to increase rear seat room. The estate gained a new coachline running over the wing top lip and window edges. Changes were also made to the suspension, braking, engine mounts and drive shafts.
Since the original Allegro had been launched more than two years earlier, several of BL's key rivals in Europe had launched new competitors - these included the MK2 Ford Escort, as well as the groundbreaking and highly acclaimed Volkswagen Golf. A popular Japanese rival, the 120Y generation of the Datsun Sunny, had also been launched in Europe soon after the Allegro. General Motors had also introduced the Vauxhall Chevette, a slightly smaller car, but which competed with larger rivals due to the practicality of its hatchback body.
At the end of 1976 British Leyland confirmed that it was holding exploratory talks with trades union representatives concerning the possible transfer of Allegro production from Longbridge to the company's plant at Seneffe in Belgium.[5] The Belgian plant was already assembling the cars for continental European markets using CKD kits shipped from the UK.[5] The stated objective of the transfer was to free up capacity at Longbridge for the manufacture of the forthcoming ADO88 Mini replacement. In the event, the ADO88 project was abandoned and the eventual Mini replacement, the less ambitiously engineered Austin Metro, did not go on sale for another four years. Whether for reasons of politics or of customer demand or of cost, at a time of rapid currency realignment, Allegros for the UK market continued to be manufactured in the UK; the Belgian plant was closed in the early 1980s, by which time Allegro demand in continental Europe had faltered and BL's Austin-Morris division clearly had more production capacity than product demand.
Some models of Allegro 2 made for non-UK markets were equipped with four round headlights, rather than the usual two rectangular units.
Only weeks before the launch of the Allegro 3, 1979 saw the release of the 1.7l Allegro Equipe; a two-door sport style model in silver with red and orange hockey stick-shaped cheatlines and alloy wheels manufactured by GKN. The car was unveiled to the press at Sherburn-in-Elmet in North Yorkshire without the distinctive trim.[6] The Equipe was intended to compete with the Golf GT and the Escort RS; by now though the aging Allegro with its lack of hatchback and dated styling struggled against these offerings and sales were poor.
Allegro 3 (1979–1982)
[edit]


The Allegro 3, introduced at the end of 1979, used the "A-Plus" version of the 1.0-litre A-Series engine (developed for the forthcoming new Metro), and featured some cosmetic alterations in an attempt to keep the momentum going, but by then the Allegro was outdated, and was now up against high-tech opposition in the form of the Ford Escort III and Vauxhall Astra Mk.1/Opel Kadett D, both launched within a year of the Allegro's facelift and both featured hatchback bodies with front-wheel-drive. The cosmetic alterations were fairly minimal; the Allegro 3 gained a new grille with the new Austin-Morris "chevron" logo; it carried the Allegro 3 name, bore a larger bumper and gained additional side indicators. The interior was modernised with new components such as a new upper dashboard moulding (famously using the same air vents as the Jaguar XJ6), a more modern instrument binnacle and a round four spoke steering wheel. By now, however, British Leyland was working on an all-new car to replace the Allegro and Maxi during the early 1980s - the LC10 - which would eventually emerge as the Austin Maestro.

British Leyland entered the small hatchback market – pioneered during the 1970s by the likes of the Renault 5 and Volkswagen Polo, with its Metro which was launched in October 1980. The Metro would be built at the Longbridge plant which had just been expanded to provide adequate production capacity for the new car. But with BL hoping to sell more than 100,000 Metros a year in Britain alone, more capacity for production was needed and production of the Allegro and the Mini were pruned back as a result. The base models of the slightly larger Triumph Acclaim, the first product of BL's alliance with Honda introduced in 1981 also acted as a substitute for the Allegro until the Maestro launched.
After 1980, the Allegro failed to feature in the top 10 best selling new cars in Britain, barely a decade since its predecessor had been Britain's most popular new car, though this fall in sales was compensated by the large sales figures achieved by the smaller Metro, as well as the fact that the slightly larger Triumph Acclaim was among Britain's top 10 selling cars by 1982.
The Vanden Plas models were rebranded as the 1.5 and the 1.7,[7] the 1.5 having a twin carburettor 1500 cc engine and a manual gearbox, while the 1.7 had a single carburettor 1750cc engine and an automatic gearbox.
Some models of Allegro 3 (the early HL and later HLS models) were equipped with four round headlights, rather than the more usual two rectangular ones.
Allegro production, which had lasted for nearly a decade, finally finished in March 1982. Its successor, the Austin Maestro, went into production in November 1982 and was officially launched on 1 March 1983.[8] The backlog of unsold Allegro 3 models remained sufficient to stock dealerships into 1983, well after the Maestro had launched.[9]
Reputation
[edit]Upon its launch the Allegro was not particularly badly received by critics, but the gearchange drew criticism[10] and the "quartic" steering wheel "comprising four curves joined together by four straight lines, similar to the shape of a television screen", fitted partly in order to compensate for the shortage of space between the driver and the rather low steering column, was widely derided by motoring journalists, especially when faced with the manufacturer's insistence that this curious steering wheel design was "avant garde and high-tec".[11] In other respects the car was somewhat underdeveloped, and a number of design flaws plagued the early models, earning it the nickname of the 'All Aggro', which intensified over the next few years as well publicised stories about its build quality and reliability emerged. Most of these were fixed in the Allegro 2 edition of the car, launched in 1975, by which time a slightly smaller round steering wheel had quietly been substituted for the "quartic" original. Nevertheless, the car never quite managed to shake off its initial reputation.
In spite of all of this bad press, the Allegro was still a very popular car. As late as 1979, six years after its launch, it was the fifth-best-selling new car in Britain.
Sales in its final years were disappointing, and by 1981 it had fallen out of the top 10 as more buyers were choosing two newer BL products: the similar-sized and more viable Triumph Acclaim, and the smaller Austin Metro.
In his book Crap Cars, Richard Porter placed the Allegro second worst in his list, beaten only by the VW Beetle.[12] Porter said "the only bit of the Allegro they got even vaguely right was the rust-proofing".
Despite this, the Allegro picked up a reputation for rust problems during its life. This was probably due to association with many other cars of the period (both from BL and other manufacturers) which had poor rust-proofing. An early edition of What Car? ran a feature on the then new Allegro, including an interview with staff at a BL dealership, who were asked if any problems occurred with the car in service. They replied that the car suffered from rust problems to its rear subframe. However, the staff thought they were being asked about the 1100/1300 car, which had been out of production for five years. Nonetheless, the magazine went on to report on the Allegro's non-existent rust problems, creating a serious image problem.[citation needed]
The poor reputation of the car and the inefficient production and management techniques in British Leyland at the time at which it was produced have meant that the Austin Allegro has become associated with waste, inefficiency and poor quality. In Clarkson's Car Years Jeremy Clarkson compares the Allegro to the Morris Marina, concluding that the Marina was in fact a worse car than the Allegro due to its relative lack of technical ambition and innovation. Clarkson noted that while the Allegro had initially been intended as a forward-looking design to compete with technically advanced European cars such as the Citroën GS, its development budget was only around half that of the much simpler Marina. In 2007, Sir Digby Jones, in criticising the inefficiencies of the Learning and Skills Council, said, "It is what I call 'the British Leyland model' – you put a lot of money in at the top, and an Austin Allegro comes out at the bottom".[13]
Quality problems concerning the Allegro led to British Leyland making the training video The Quality Connection, outlining both superficial and dangerous issues that can arise from a lack of care and attention.[9]
Legacy
[edit]The Allegro is generally considered amongst the most disreputable British Leyland models; some credibility was restored with its replacement the Maestro which was tipped as an adequate competitor to the Ford Escort, Vauxhall Astra and Volkswagen Golf. By the time of the Maestro's launch, a string of poor quality models throughout the 1970s had damaged the reputation of British Leyland and the Austin brand with the Maestro selling fewer models over a greater number of years (605,000 over 12 years to 642,000 Allegros over eight years). In 1987, the Austin name was phased out after 82 years in favour of the Rover name, which hadn't been tainted by some of the poorer products that had dented the reputation of the Austin brand.
In February 2006, it was reported that more than 1,000 Austin Allegros sold in the UK were still registered with the DVLA,[14] a better survival rate than the more popular Morris Marina; most of which were dismantled for parts that were interchangeable with other British Leyland cars such as the MGB, Mini and Morris Minor. However, that figure had fallen to just 195 cars by February 2016 (excluding cars which were declared SORN),[15] by 2023, that figure had fallen further to 36 cars still on the road in the UK.[16] Part of this is down the Allegro's suitability (in A-Series engine format) as an engine donor for Mini restorations which is why many Allegros were broken solely for their power units.
Engines
[edit]- 1973–1975: 1,098 cc (67.0 cu in) A-Series Straight-4, 49 hp (37 kW; 50 PS) at 5250 rpm and 60 lb⋅ft (81 N⋅m; 8 kg⋅m) at 2450 rpm
- 1975–1980: 1,098 cc (67.0 cu in) A-Series Straight-4, 45 hp (34 kW; 46 PS) at 5250 rpm and 55 lb⋅ft (75 N⋅m; 8 kg⋅m) at 2900 rpm
- 1973–1980: 1,275 cc (77.8 cu in) A-Series Straight-4, 59 hp (44 kW; 60 PS) at 5300 rpm and 69 lb⋅ft (94 N⋅m; 10 kg⋅m) at 3000 rpm
- 1980–1982: 998 cc (60.9 cu in) A-Plus Straight-4, 44 hp (33 kW; 45 PS) at 5250 rpm and 52 lb⋅ft (71 N⋅m; 7 kg⋅m) at 3000 rpm
- 1980–1982: 1,275 cc (77.8 cu in) A-Plus Straight-4, 62 hp (46 kW; 63 PS) at 5600 rpm and 72 lb⋅ft (98 N⋅m; 10 kg⋅m) at 3200 rpm
- 1973–1982: 1,485 cc (90.6 cu in) E-Series Straight-4, 69 hp (51 kW; 70 PS) at 5600 rpm and 83 lb⋅ft (113 N⋅m; 11 kg⋅m) at 3200 rpm
- 1973–1982: 1,748 cc (106.7 cu in) E-Series single carb Straight-4, 76 hp (57 kW; 77 PS) at 5000 rpm and 100 lb⋅ft (136 N⋅m; 14 kg⋅m) at 3100 rpm
- 1974–?: 1,748 cc (106.7 cu in) E-Series twin-carb Straight-4, 90 hp (67 kW; 91 PS) at 5500 rpm and 104 lb⋅ft (141 N⋅m; 14 kg⋅m) at 3100 rpm
Advertising
[edit]The Allegro's launch slogan in 1973 was "The new driving force from Austin". In 1979, the Equipe and the Allegro 3 were sold under slogans based around the word "vroom".
References
[edit]- ^ The Vanden Plas Owners Club Retrieved on 18 February 2013
- ^ Sales hopes pinned on new Austin Allegro. The Times, Thursday, 17 May 1973; pg. 1; Issue 58784
- ^ a b "Vanden Plas 1500: A new luxury model from British Leyland based on the 1,485 cc Austin Allegro 1500 with special trimming and finish by Vanden Plas". Autocar. Vol. 141 (nbr4065). 21 September 1974. pp. 26–28.
- ^ "News: Allegros – quartic wheel abandoned". Autocar. Vol. 141 (nbr 4100). 7 June 1975. p. 25.
- ^ a b "News: Allegro for Belgium?". Autocar. Vol. 145 (nbr 4178). 4 December 1976. p. 26.
- ^ "Concepts and prototypes : Allegro Equipe". AR Online. 9 January 2013. Retrieved 10 May 2016.
- ^ Vanden Plas 1.5 & 1.7 Series 3 1979–80 UK market sales brochure
- ^ "The best of the British car industry". AROnline. Archived from the original on 18 July 2012. Retrieved 8 April 2012.
- ^ a b "The Austin Allegro at 40". The Telegraph. 25 May 2013. Retrieved 10 May 2016.
- ^ Buckley, Martin (7 December 2015). "Austin Allegro: how the worst car of all time came to be made". telegraph.co.uk. Telegraph Media Group Limited. Retrieved 27 July 2016.
- ^ Keith Adams (30 November 2015). "The cars : Austin Allegro development history". Archived from the original on 24 July 2016. Retrieved 27 July 2016.
- ^ "The crappest car in Britain – named and shamed in Crap Cars" (Press release). BBC. 13 October 2004. Archived from the original on 29 March 2007. Retrieved 25 April 2007.
- ^ "Can we fix the skills shortage?". BBC. 20 February 2007. Retrieved 7 March 2008.
- ^ The Observer newspaper
- ^ "100 popular cars vanishing from our roads".
- ^ "carlogbook.co.uk: Austin Allegro". Retrieved 9 May 2023.
- Adams, Keith. "The Unofficial Austin Rover Web Resource". Archived from the original on 30 September 2010.
External links
[edit]Austin Allegro
View on GrokipediaDevelopment and Design
Background and Conception
The formation of British Leyland (BL) in May 1968 through the merger of the British Motor Corporation (BMC) and Leyland Motors created a major British automotive conglomerate, but it also highlighted the urgent need for rationalization amid declining sales of aging models.[4][2] By the late 1960s, the ADO16 platform—launched as the Austin 1100 in 1962—had become a bestseller with over 2.1 million units sold worldwide, yet its design was showing its age, and BL sought a successor to maintain competitiveness in the small family car segment.[4][5] In 1969, BL announced Project ADO67 as the initiative to develop this new small family car, placing it under the leadership of designer Harris Mann within the company's corporate styling department.[4][2] The project aimed for a 1973 launch to directly challenge rivals such as the Ford Escort and Vauxhall Viva, focusing on a modern replacement that could leverage BL's economies of scale.[4][5] Development milestones progressed with prototyping beginning in 1970, during which the innovative Hydragas suspension system underwent extensive testing to refine ride quality.[4][2] Internal debates centered on engine selection, initially favoring the new O-series but ultimately switching to the existing E-series for greater parts commonality across BL's lineup.[4][5] Production was planned for BL's Cowley plant in Oxford, backed by an initial investment of £21 million and projections for an annual output of 100,000 units to meet anticipated demand.[4][2]Styling and Engineering Innovations
The exterior styling of the Austin Allegro was led by Harris Mann, British Leyland's chief stylist, who envisioned a modern compact family car with a wedge-shaped profile and rising beltline to convey dynamism and space efficiency.[4] This design incorporated controversial square "brick" headlights, selected to lower production costs through simpler manufacturing while purportedly enhancing aerodynamics by reducing drag compared to more complex rounded units.[4] At 3.86 meters in overall length, the Allegro was positioned as a versatile small family vehicle, succeeding the ADO16 with updated aesthetics aimed at competing in the European market.[2] Inside, the Allegro introduced several innovations to improve driver comfort and ergonomics, including the quartic steering wheel—a squircle hybrid shape designed to provide better knee clearance and unobstructed views of the instrument panel amid larger seat dimensions.[4][2] An adjustable steering column allowed for personalized positioning, while the modular dashboard facilitated easier assembly on the production line, reflecting British Leyland's emphasis on manufacturing efficiency.[4] Engineering efforts focused on refining ride quality and component sharing, with the adoption of Hydragas suspension featuring variable-rate rubber cone displacers interconnected front-to-rear for enhanced comfort and roll control over the predecessor ADO16's torsion bar setup.[4][6] The car utilized A-series inline-four engines for the 1.1 L and 1.3 L versions and E-series for the 1.5 L and 1.75 L versions, promoting parts commonality across British Leyland models like the Austin Maxi to streamline supply chains and reduce development expenses.[4][2] These features were tempered by design compromises driven by British Leyland's financial strains, exacerbated by the 1973 oil crisis, which prompted cost-saving elements such as vinyl roofs on base models for a premium appearance without added expense and simplified bumpers to minimize material use.[4][2]Production Launch
The Austin Allegro made its public debut in the United Kingdom in May 1973, marking British Leyland's (BL) effort to introduce a new small family car as a successor to the popular ADO16 (Austin 1100/1300). The initial lineup consisted of four models with engine displacements of 1,100 cc, 1,300 cc, 1,500 cc, and 1,750 cc, offered in two- and four-door saloon configurations, with prices ranging from £974 for the base 1,100 De Luxe to £1,367 for the top 1,750 Sport Special. These variants were designed to appeal to a broad segment of the market, emphasizing front-wheel drive, a spacious interior, and innovative features like the optional Quartic steering wheel for improved visibility. UK sales commenced shortly after the announcement, with BL aiming to position the Allegro as a versatile, modern alternative to conventional three-box saloons through its hatchback-style rear design.[7][8][9] Production of the Allegro was centered at BL's Cowley plant in Oxford, where existing body assembly and painting lines previously used for the ADO16 were repurposed to facilitate a smooth transition. This adaptation allowed for an initial output of approximately 1,100 to 1,200 units per week at launch, with ambitions to scale up to over 4,000 units weekly by early 1974 to meet anticipated demand. However, these targets were undermined almost immediately by widespread industrial disputes within BL, including strikes by engine assemblers and transport workers, which led to significant production losses—estimated at around 60,000 vehicles in the first half of 1973 alone. Supply chain interruptions, such as delays from external suppliers like Rubery Owen and broader labor unrest involving British Road Services and gas workers, further hampered the rollout, resulting in late deliveries of press vehicles and inconsistent build quality in early examples.[4][10][11] Among the most prominent early quality concerns were rust issues arising from inadequate rustproofing treatments on the bodyshell, particularly around the wheel arches and sills, which became evident within the first year of ownership for many buyers. Electrical faults, often traced to poorly constructed wiring harnesses, also plagued initial production runs, leading to intermittent failures in lighting, ignition, and ancillary systems. These problems were compounded by the ongoing labor disruptions of 1973–1974, which not only slowed assembly lines but also contributed to rushed workmanship and inconsistent component fitting across BL's facilities. Despite these setbacks, the Allegro was marketed as a forward-thinking hatchback offering greater practicality than rival saloons, with BL outlining ambitious export strategies to penetrate European markets via local assembly in Belgium and limited shipments to Australia under the Leyland badge—efforts that ultimately achieved only modest penetration due to quality perceptions and competitive pressures.[12][13][11][14]Model Variants
Original Model (1973–1975)
The original Austin Allegro, launched in May 1973 as a replacement for the Austin 1100/1300 range, was offered in both two- and four-door saloon body styles with front-wheel drive across all variants.[1] The initial model lineup included base 1100 cc A-series engined versions in standard and De Luxe (DL) trims, alongside higher-capacity options such as the 1300 cc, 1500 cc, and 1750 cc models—all available from launch—all paired with a four-speed manual gearbox as standard—though a five-speed unit was available on the E-series engined 1500 and 1750 variants, and a three-speed automatic was optional on select higher trims.[6] The 1100 cc base model remained available for most of the production run, while the 1300 cc version was part of the initial lineup to offer mid-range options, effectively providing a broad engine spectrum from the start.[4] Trim levels for the original model emphasized practicality and escalating luxury, starting with the basic Standard specification and progressing to De Luxe (DL) for added comfort features like reclining front seats and a cigar lighter. Higher specifications included Super and Super De Luxe trims with enhanced upholstery, carpets, and instrumentation, while the sportier GT and Sports Special variants on the 1750 cc models added reclining sports seats, a tachometer, and an optional overdrive for improved highway cruising.[1] Fuel economy for the popular 1300 cc model typically ranged from 30 to 35 miles per gallon (imperial) in mixed driving conditions, reflecting the efficient but underpowered A-series engine's design priorities amid the era's oil crisis concerns.[15] Running changes during the 1973–1975 production period were modest but addressed early feedback, including the late-1973 rationalization of engine options to favor the 1300 cc over less popular intermediates and a 1974 revision to the grille for improved aesthetics and airflow.[6] Overall production for this pre-facelift era reached approximately 150,000 units, assembled primarily at British Leyland's Longbridge plant, though output was hampered by industrial disputes and quality control challenges.[2] Early examples of the original Allegro were plagued by reliability concerns unique to the initial design, notably frequent gearbox issues stemming from synchromesh wear that led to notchy shifts and baulking during gear changes, particularly in the five-speed E-series units.[6] The innovative Hydragas suspension system, incorporating the distinctive Quartic square steering wheel for enhanced interior packaging, often sagged under load and exhibited excessive pitch and dive over uneven surfaces, contributing to a harsh ride that was partially mitigated by minor tweaks in 1974 but remained a common complaint.[2]Allegro 2 (1975–1979)
The Austin Allegro 2 was introduced in October 1975 as a mid-cycle refresh of the original model, featuring a revised front end with rectangular headlights replacing the earlier square units and a new grille design to modernize the appearance.[16] This facelift also included enhancements to interior trim and the elimination of the controversial Quartic steering wheel in favor of a conventional round design. A three-door estate variant was introduced in April 1975, available in 1300 cc and 1500 cc Super trims, enhancing practicality for family use.[6] Rustproofing was improved compared to the debut model, making the Allegro 2 notably resistant to corrosion for a 1970s British car, though vulnerabilities remained in areas like wheel arches and sills.[1] Mechanically, the Allegro 2 incorporated refinements such as upgraded engine mountings for better durability, higher gearing for improved highway performance, and adjustments to suspension and cabin ventilation to address early complaints about ride quality and comfort.[1] The E-series inline-four engines were carried over with modifications for 1975 emissions standards, including an optional 1.5-litre version producing 78 PS to offer a balance of power and economy.[17] Rear seat legroom was also increased slightly, enhancing practicality for family use.[1] The model range expanded with new trim options, including the Special variant that added cosmetic upgrades like revised badging and interior accents.[18] Production of the Allegro 2 emphasized fleet markets in the UK, contributing to steady domestic sales that kept the model competitive in the mid-1970s segment, with overall Allegro output reaching approximately 642,000 units across all variants by 1982.[2] Despite these updates, the Allegro 2 retained some persistent issues, including electrical gremlins in the dashboard instruments caused by corroded earth connections and faulty Lucas wiring looms.[1] Water ingress was another common concern, often resulting from perished windscreen seals or blocked heater plenum drains, leading to damp footwells and potential interior damage.[1]Allegro 3 (1979–1982)
The Austin Allegro 3 was introduced in September 1979 as the final update to the model range, incorporating cost-saving measures such as wraparound plastic bumpers, revised rear lights, a new radiator grille with the updated Leyland badge, and plastic wheel trims.[6][4] Interior revisions included a restyled dashboard and uprated trim materials for a more modern appearance.[6] These changes aimed to streamline production amid British Leyland's financial pressures, while a broader palette of exterior colors enhanced visual appeal.[4] A notable addition to the lineup was the Equipe, a performance-oriented two-door variant launched in July 1979 just ahead of the main Allegro 3 debut, featuring a tuned 1.75-litre engine delivering 91 bhp, GKN alloy wheels, a chin spoiler, and bold graphics in silver with orange and black accents.[19][6] Approximately 2,700 Equipe models were produced, positioning it as a sportier alternative within the range, though it lacked the agility of rivals like the Volkswagen Golf GTI.[6] Mechanically, the Allegro 3 emphasized simplification and efficiency, with a standard four-speed manual gearbox across all variants, though a five-speed unit with overdrive remained optional on select higher trims.[20] The introduction of the refined A-Plus version of the A-Series engines improved refinement and fuel economy, achieving combined figures of around 35-40 mpg depending on model and conditions.[1][21] These updates supported better emissions compliance without major redesigns. Production of the Allegro 3, estimated at around 100,000 units, shifted fully to the Longbridge plant in 1980 after earlier Belgian assembly at Seneffe.[4][14] The model line concluded in late 1982, with the final Allegro rolling off the line on 20 December, capping overall series production at 642,350 vehicles.[1][22]Technical Specifications
Engines and Drivetrain
The Austin Allegro was powered by A-series inline-four engines in its base variants, with capacities of 998 cc producing 44 horsepower at 5,200 rpm and 52 lb-ft of torque at 2,900 rpm, and 1,275 cc offering 61 horsepower at 5,300 rpm and 69 lb-ft of torque at 2,700 rpm. These overhead-valve engines used a single carburetor for fuel delivery and were transversely mounted in the front-wheel-drive layout. Larger-displacement variants employed the E-series inline-four engines, featuring a single overhead camshaft (SOHC) design driven by a chain for reliable valve timing. These engines, originally developed for the Austin Maxi, were transversely mounted to facilitate the front-wheel-drive layout. The 1.5-liter (1485 cc) version produced 69 horsepower at approximately 5,500 rpm and 83 lb-ft of torque at 3,200 rpm, while the 1.75-liter (1798 cc) variant offered outputs ranging from 78 to 91 horsepower depending on the carburetor setup, with torque around 100 lb-ft at similar engine speeds. Both displacements used a single SU or Zenith carburetor for fuel delivery, emphasizing smooth operation and adequate low-end response suitable for family sedans.[23][24][25][6] The drivetrain centered on a front-wheel-drive configuration with the engine and transmission mounted transversely, connected via open driveshafts equipped with constant-velocity joints for efficient power transfer to the front wheels. Manual transmissions were standard, typically a four-speed unit for smaller engines or a five-speed for the E-series models, with a gear selector that could develop a characteristic whine over time. Gear ratios were tuned for urban usability, with first gear at around 3.58:1 to aid low-speed acceleration. An optional three-speed Borg-Warner Model 35 automatic transmission was available, hydraulically controlled with epicyclic gearing, though it was less common and added noticeable weight affecting handling.[26][27][28] Performance varied by engine and transmission, with the 1.5-liter E-series models achieving 0-60 mph in about 14-16 seconds and top speeds of 95-100 mph, while the 1.75-liter versions improved to 12-13 seconds for 0-60 mph and up to 105 mph maximum. Fuel consumption, measured under UK gallon standards, averaged 30-32 mpg in urban touring for the 1.3-liter models, dropping slightly to 28-30 mpg for the larger E-series due to increased displacement, though real-world figures often reflected careful driving habits in period tests.[29][30][15][26] Early E-series engines in the Allegro were noted for occasional oil consumption issues in high-mileage units, often linked to worn piston rings or valve stem seals rather than inherent design flaws. The chain-driven camshaft proved durable overall, avoiding the belt-related failures seen in some contemporary designs, though head gasket weaknesses could exacerbate oil leaks if not addressed during routine maintenance. These traits made the powertrain relatively straightforward and cost-effective to service for owners.[6][31][24]Chassis, Suspension, and Dimensions
The Austin Allegro featured a unibody monocoque chassis construction based on the ADO67 platform, which evolved from the earlier ADO16 design with a lengthened wheelbase and increased overhangs to enhance passenger space and crash energy absorption.[4][32] This pressed-steel structure incorporated front and rear subframes for added rigidity, contributing to improved safety standards for its era.[32] The wheelbase measured 2,440 mm, with front and rear tracks both at 1,380 mm, while curb weights ranged from 840 kg for base models to 950 kg for higher-spec variants, depending on engine and trim.[33][34] Suspension was a key innovation, employing the Hydragas system across all wheels for the first time in production on the Allegro, replacing the previous Hydrolastic setup with nitrogen-pressurized displacer units containing rubber cones that provided variable-rate springing.[35][36] At the front, MacPherson struts integrated with vertically mounted Hydragas units offered progressive stiffness up to around 500 lb/in, promoting a compliant ride while maintaining stability; the rear utilized independent suspension with horizontally mounted units, interconnected front-to-rear for balanced load distribution and reduced body roll.[36][37] Braking comprised 9.7-inch (246 mm) solid front discs and 7-inch (178 mm) rear drums, providing adequate stopping power for the car's class, though early models faced criticism for fade under heavy use.[38][39][40] Overall dimensions reflected a compact family hatchback profile, with a length of 3,855 mm for the standard saloon/hatch (extending to 3,993 mm for the estate variant), width of 1,613 mm, and height of 1,397 mm, offering a low center of gravity for everyday usability.[41][33] Luggage capacity stood at 11.5 cubic feet with seats upright, bolstered by the hatchback design that allowed flexible loading and up to 40 cubic feet with seats folded, surpassing traditional saloons in practicality.[42] Standard tires were 155/80R13, fitted to 13-inch wheels, supporting neutral handling balance in dry conditions but prone to understeer on wet surfaces due to the front-wheel-drive layout and tire profile.[43][44]| Dimension | Specification |
|---|---|
| Wheelbase | 2,440 mm |
| Front/Rear Track | 1,380 mm |
| Length (Hatchback) | 3,855 mm |
| Width | 1,613 mm |
| Height | 1,397 mm |
| Curb Weight Range | 840–950 kg |