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Tata Bolt
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| Tata Bolt | |
|---|---|
 | |
| Overview | |
| Manufacturer | Tata Motors |
| Production | 2014–2019 |
| Assembly | India: Ranjangaon, Pune |
| Body and chassis | |
| Class | Supermini (B) |
| Body style | 5-door hatchback |
| Platform | Tata X1 |
| Related | Tata Indica Vista Tata Zest |
| Powertrain | |
| Engine | 1.2L Revotron turbo I3 (petrol) 1.3L Quadrajet I4 (diesel) |
| Transmission | 5-speed manual |
| Dimensions | |
| Wheelbase | 2,470 mm (97.2 in) |
| Length | 3,825 mm (150.6 in) |
| Width | 1,695 mm (66.7 in) |
| Height | 1,562 mm (61.5 in) |
| Chronology | |
| Predecessor | Tata Indica Vista |
| Successor | Tata Tiago Tata Altroz |
The Tata Bolt is a hatchback produced by Tata Motors. The car was revealed at Indian Auto Expo 2014 along with its sedan version, the Tata Zest and went on sale in January 2015.[1] The new car is based on the existing Tata X1 platform on which Vista and Manza are built.[2][3][4][5] The hatchback is made available in both the fuel trims with 4 variants in petrol and diesel.
Despite having better safety, features, more premium interiors and stronger engines, it didn't sell well compared to its rivals. Production of the Bolt ended in April 2019 and was replaced by Tata Tiago and Tata Altroz.[6]
Engine
[edit]
The petrol version of the hatchback is powered by the 1.2-litre Revotron Turbocharged MPFi engine which gives a power of 90 PS and torque of 140 Nm. It has three drive modes namelyCity, Eco and Sport. The diesel model gets Fiat's 1.3-litre Multijet diesel engine dubbed as Quadrajet. The diesel mill churns a max power of 75 PS and torque of 190 Nm. Both the engines are mated to five speed manual transmission.[7]
References
[edit]- ^ Tata Motors (3 February 2014). "Tata Motors unveils the all-new Zest and Bolt". Tata Motors. Archived from the original on 31 August 2018. Retrieved 31 August 2018.
- ^ Autocar India (18 March 2014). "Tata Bolt first look review". Hindustan Times. Archived from the original on 18 March 2014. Retrieved 25 June 2014.
- ^ "Tata Bolt AMT to be India's cheapest diesel automatic". The Economic Times. 7 June 2014. Retrieved 25 June 2014.
- ^ PTI New Delhi (3 February 2014). "Tata Bolt hatchback, Tata Zest sedan unveiled". India Today. Retrieved 25 June 2014.
- ^ PTI New Delhi (22 May 2014). "Tata Zest to be built in Fiat's Ranjangaon factory". The Economic Times. Retrieved 26 June 2014.
- ^ "Tata Sumo, Bolt Discontinued; Safari Next?". motorbeam.com. 12 April 2019. Retrieved 22 June 2019.
- ^ CarDekho Team. "Tata Bolt Launched". CarDekho.com. Retrieved 31 January 2015.
External links
[edit]
Wikimedia Commons has media related to Tata Bolt.
Tata Bolt
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Development and production
Development
The Tata Bolt was developed under Tata Motors' Falcon programme, an initiative launched in 2013 to revitalize the company's passenger vehicle lineup with performance-focused models. Internally codenamed Falcon 4, the hatchback was positioned as the successor to the Indica Vista, utilizing the existing X1 platform but with extensive re-engineering for enhanced handling, structural rigidity, and visual appeal. Design inputs were provided by Tata's European technical centre, emphasizing a sportier profile to appeal to younger buyers in the competitive Indian hatchback segment. The programme prioritized driving dynamics, incorporating revised suspension tuning and lightweight components to improve agility without compromising practicality.[7][8] As part of the broader HorizonNext strategy announced in June 2013, the Bolt's development integrated three key pillars: DriveNext for advanced powertrains, DesignNext for innovative aesthetics, and ConnectNext for enhanced infotainment. Under DesignNext, the vehicle adopted a bold new language with a honeycomb grille, swept-back projector headlamps, sculpted bumpers, and 15-inch alloy wheels, moving away from Tata's traditional boxy designs. The Revotron 1.2-litre turbocharged petrol engine, Tata's first indigenously developed turbo unit, was a cornerstone of DriveNext, delivering 90 PS and 140 Nm while undergoing over 300,000 hours of endurance testing across diverse conditions to ensure durability and efficiency. Diesel variants retained the proven 1.3-litre Multijet unit from Fiat, tuned for 75 PS and 190 Nm, with both engines paired to a five-speed manual transmission.[9][10][11] Development also focused on elevating interior quality and user interaction, with Tata's Head of Design, Pratap Bose, introducing a refreshed human-machine interface (HMI) featuring intuitive controls, a seven-inch Harman infotainment system in higher trims, and improved cabin materials. Safety was integrated early, aiming for a four-star Global NCAP rating through standard dual airbags, ABS with EBD, and reinforced body structure. The prototype was first unveiled on February 3, 2014, at the Delhi Auto Expo, ahead of its market launch in January 2015, signaling Tata's shift toward premium, tech-savvy products amid declining sales of older models.[12][13][14]Production
The Tata Bolt was manufactured exclusively at Tata Motors' Pimpri-Chinchwad plant in Pune, India, beginning in late 2014 following its reveal at the 2014 Auto Expo.[15][16] This facility, one of Tata's key production hubs, handled assembly for the hatchback alongside models like the Indica and Vista, leveraging existing infrastructure to support the model's launch under the Horizonext design and engineering philosophy.[17] Production emphasized enhanced quality controls, with Tata implementing a rigorous pre-delivery inspection process that included additional checks on fit and finish to address past criticisms of build quality in its passenger vehicles.[18] The Bolt was offered in turbocharged petrol and diesel variants, with diesel engines sourced from Fiat under a joint venture, contributing to its competitive positioning in the subcompact segment. Annual output aligned closely with domestic demand, peaking at around 7,900 units in 2016 before tapering due to intensifying market competition.[19] Manufacturing ceased in April 2019 as Tata Motors shifted focus to newer models like the Altroz, with the Bolt's production run totaling approximately 25,000-30,000 units over five years, primarily for the Indian market and select exports to regions such as South Africa and Nepal.[20][21]Specifications
Dimensions and chassis
The Tata Bolt is a subcompact five-door hatchback measuring 3825 mm in length, 1695 mm in width (excluding mirrors), and 1562 mm in height.[22] Its wheelbase spans 2470 mm, providing a balanced footprint for urban maneuverability, while the unladen ground clearance stands at 165 mm, suitable for typical city roads in India.[22] The boot space offers 210 litres of capacity, expandable by folding the rear seats, and the fuel tank holds 44 litres.[23][22] Kerb weight varies between 1095–1125 kg for petrol variants and 1132–1160 kg for diesel models, contributing to its lightweight and agile character.[22] The Bolt employs a monocoque body structure built on Tata's X1 platform, originally developed for the Indica Vista and shared with the Zest sedan, emphasizing cost-effective modularity.[22][24] This platform supports a five-seater configuration with a turning radius of 5.1 metres, aided by power-assisted rack-and-pinion steering for responsive handling in tight spaces.[25] Braking consists of ventilated disc brakes at the front and drum brakes at the rear, paired with 15-inch steel or alloy wheels fitted with 175/65 R15 tubeless radial tyres.[25] Suspension setup features an independent MacPherson strut with coil springs and an anti-roll bar at the front for improved stability during cornering, while the rear uses a semi-independent twist beam with coil springs and shock absorbers to balance ride comfort and load-carrying capability.[22] The rear track measures 1440 mm, enhancing traction on varied surfaces.[22] Overall, the chassis design prioritizes affordability and everyday usability over high-performance dynamics, aligning with its positioning in the entry-level hatchback segment.[24]| Specification | Measurement |
|---|---|
| Length | 3825 mm |
| Width | 1695 mm |
| Height | 1562 mm |
| Wheelbase | 2470 mm |
| Ground Clearance (unladen) | 165 mm |
| Boot Space | 210 litres[23] |
| Kerb Weight (Petrol/Diesel) | 1095–1125 kg / 1132–1160 kg[22] |
| Fuel Tank Capacity | 44 litres[22] |
| Turning Radius | 5.1 metres |
| Tyre Size | 175/65 R15[25] |
Engines and performance
The Tata Bolt was equipped with two main engine options: a 1.2-litre turbocharged petrol unit and a 1.3-litre diesel engine, both paired exclusively with a 5-speed manual transmission and front-wheel drive. These powertrains were designed for efficiency and urban usability, with the petrol engine emphasizing responsive low-end torque via turbocharging and the diesel focusing on higher torque output for better drivability.[4][26] The Revotron 1.2-litre turbocharged multi-point fuel injection (MPFi) petrol engine has a displacement of 1193 cc, producing 90 PS (89 bhp) at 5000 rpm and 140 Nm of torque from 1500-4000 rpm. It achieves a claimed ARAI-certified fuel efficiency of 17.57 kmpl, suitable for city and highway driving. Performance-wise, this variant accelerates from 0 to 100 km/h in approximately 17 seconds and reaches a top speed of 154 km/h.[27][4][28] The Quadrajet 1.3-litre variable geometry turbocharger (VGT) diesel engine displaces 1248 cc, delivering 75 PS at 4000 rpm and a peak torque of 190 Nm between 1750-3000 rpm. With an ARAI mileage of 22.95 kmpl, it offers superior fuel economy for long-distance travel. The diesel model provides stronger mid-range pull, attaining 0-100 km/h in about 15.2 seconds and a maximum speed of 150 km/h.[4]| Engine Type | Displacement | Power | Torque | ARAI Mileage | 0-100 km/h | Top Speed |
|---|---|---|---|---|---|---|
| Petrol (Revotron Turbo) | 1193 cc | 90 PS @ 5000 rpm | 140 Nm @ 1500-4000 rpm | 17.57 kmpl | ~17 s | 154 km/h |
| Diesel (Quadrajet) | 1248 cc | 75 PS @ 4000 rpm | 190 Nm @ 1750-3000 rpm | 22.95 kmpl | ~15.2 s | 150 km/h |
Features
Comfort and convenience
The Tata Bolt offered a spacious interior designed to accommodate five adults comfortably, with ample headroom and legroom, particularly in the rear where the scooped seatbacks enhanced knee space for passengers up to 5'10" in height.[30] The cabin featured a high seating position that facilitated easy ingress and egress, contributing to overall user-friendliness in urban driving scenarios.[30] Materials used in the dashboard and trim, including a Java black theme with chrome and silver accents, provided a premium feel compared to earlier Tata models, though storage options remained limited with only one cup holder and narrow door pockets.[30] Seating arrangements emphasized support and versatility, with front seats offering good lateral bolstering and thigh support; the driver's seat was height-adjustable in mid- and top-spec variants like the XMS and XT.[4] Rear seats included integrated headrests, a 60:40 split-folding mechanism for increased cargo flexibility, and a firm cushioning that balanced comfort on long drives without excessive plushness.[4][30] For climate management, all variants came equipped with a manual air conditioner that proved effective in cooling the cabin quickly, aided by an economy mode for fuel efficiency; higher trims added automatic climate control for precise temperature regulation.[4][30] However, the absence of rear AC vents meant that airflow to back passengers relied on front distribution, which was adequate for moderate Indian summers but less ideal in extreme heat.[30] Convenience was enhanced by the ConnectNext infotainment system developed by Harman, standard on upper variants, which featured a 5-inch touchscreen interface supporting Bluetooth connectivity, USB/Aux inputs, voice commands, and an 8-speaker audio setup for clear sound reproduction.[4][30] Smartphone integration allowed for offline GPS navigation and social media access via a companion app, while three driving modes—Eco, City, and Sport—enabled tailored throttle responses for varied conditions.[30] Additional aids included tilt-adjustable power steering with a multifunctional wheel in select trims for audio and phone controls, and electrically adjustable outside rear-view mirrors in top variants.[4] Ride comfort benefited from a balanced suspension setup that absorbed urban undulations well, delivering a supple feel on smooth roads while remaining composed at highway speeds; the cabin remained hushed, minimizing wind and road noise.[30] The electric power steering was light and accurate, with an active return-to-center function that improved highway stability without feeling artificial.[30] Overall, these elements positioned the Bolt as a practical choice for family use in congested city traffic.[31]Safety and security
The Tata Bolt incorporated a range of safety and security features aimed at enhancing occupant protection and theft deterrence, reflecting Tata Motors' focus on improving vehicle safety standards in the compact hatchback segment. The Tata Bolt achieved a four-star rating for adult occupant protection in Global NCAP crash tests.[3] Standard across all variants were an engine immobilizer to prevent unauthorized starts and rear door child locks for passenger safety. Higher trims added advanced passive and active safety systems, including dual frontal airbags and anti-lock braking systems.[32][33] Passive safety features in the Bolt included three-point inertia reel seat belts for front and rear outboard seats, with a lap belt for the rear center position, designed to minimize injury during collisions; a driver seat belt reminder was standard on all models. Dual supplemental restraint system (SRS) frontal airbags for the driver and front passenger were available from the XMS variant upward, deploying in moderate to severe frontal impacts via nitrogen inflation and requiring replacement at authorized service centers post-deployment. Pre-tensioner seat belts with load limiters, which tighten during a crash to reduce forward movement, were featured on mid- and top-spec variants like XMS and XT.[34][35][32] Active safety systems emphasized braking stability and vehicle control. The anti-lock braking system (ABS) with electronic brake force distribution (EBD), sourced from Bosch's 9th-generation unit, was standard on XM and higher variants to prevent wheel lockup and optimize force across axles during emergency stops. Corner Stability Control (CSC) assisted in reducing oversteer on slippery surfaces or during cornering, while Engine Drag Torque Control (EDTC) provided additional stability on low-traction roads. All variants included side impact beams in the doors for structural protection.[35][32][34] Security features extended beyond the immobilizer, with remote central locking and power door locks available from the XM trim, complemented by speed-sensitive auto door locks that engaged above approximately 10-15 km/h to secure the vehicle while in motion. A seat belt warning system alerted the driver to unfastened belts, and an optional anti-theft alarm was noted in some markets. For child safety, the manual recommended AIS 072 or ECE R44-compliant child restraint systems for occupants up to 12 years, with rear-facing seats preferred for infants. The vehicle also came equipped with a first aid kit and an advance warning triangle for roadside emergencies.[36][34][32]| Variant | Airbags | ABS with EBD | Immobilizer | Child Locks | Speed-Sensitive Door Locks | Seat Belt Warning |
|---|---|---|---|---|---|---|
| XE (Petrol/Diesel) | None | No | Yes | Yes | No | Yes |
| XM (Petrol/Diesel) | None | Yes | Yes | Yes | Yes | Yes |
| XMS/XT (Petrol/Diesel) | Dual (Driver + Passenger) | Yes | Yes | Yes | Yes | Yes |