Pontiac G8

The Pontiac G8 is a full-size sedan that was produced by Holden in Australia for export to the United States, where it was sold by Pontiac. The G8, a rebadged Holden Commodore, was released in early 2008 for the 2008 model year in the United States, and in 2008 for the 2009 model year in Canada. Production stopped in mid-2009, following the decision by GM to discontinue Pontiac. While available, the G8 took the place in the Pontiac lineup of both the Pontiac Bonneville, which ceased production after the 2005 model year, and the Pontiac Grand Prix, which ceased production after the 2008 model year.

By December 2008, the rear wheel drive G8 had not become the expected sales replacement for the previous front-drive models, with 11,000 unsold G8s in the inventory and just 13,000 sold. During the 2009 global economic downturn, market prices had dropped by $3000–5000 below GM's sticker price for the car. By July 2009, there were only 5,000 unsold G8s in inventory, with almost 30,700 sold.

With the imminent demise of the Pontiac brand, a result of GM's Chapter 11 bankruptcy, the 2009 model year marked the end of all Pontiacs, including the G8. However, in July 2009, Bob Lutz made an off-hand comment during a press review that the G8 would be revived as the Chevrolet Caprice. Subsequently, Lutz retracted this statement, citing market conditions. Nevertheless, General Motors announced the Chevrolet Caprice Police Patrol Vehicle (PPV) in 2009, which Car and Driver described as a successor to the G8. To fill the gap left by the G8, GM announced the Chevrolet SS, a RWD V8 powered sedan for 2014 based on the Holden Commodore (VF).

The G8 is based on the GM Zeta platform, created by Holden for the VE Commodore in the Australian market. The G8's model number is GMX557. The G8 differs from the Commodore mainly in frontal styling and interior details. At the January 2007 North American International Auto Show in Detroit, GM chairman Bob Lutz confirmed that GM intended to import Holden Commodores into North America as Pontiac G8s. The news was not planned to be officially announced until the Chicago Auto Show in February.

Holden chairman Denny Mooney announced that the G8 is imported from the Holden Elizabeth Plant for the life cycle of the car, but refused to comment on possible future production at GM's Oshawa, Ontario facility. At the 2007 Chicago Auto Show, GM Global Chairman Bob Lutz announced that the G8 was expected in US Pontiac dealerships in "early 2008". On 4 July 2007 the first Pontiac G8 prototypes rolled out of the Elizabeth assembly plant in Australia. General production began 18 December 2007.

The G8 was the first rear-wheel drive four-door sedan sold under the Pontiac name since the 1986 Bonneville and Parisienne. However, at the time of the G8's release, Pontiac did offer the rear-wheel drive Solstice. The then recently discontinued GTO (as well as the Firebird/Trans Am before it), also utilized the rear-wheel drive layout. The GTO was another Holden product, known as the Monaro in Australia, repurposed and rebadged for U.S. consumption. Production was discontinued in 2006 due to new US safety regulations and the architecture being phased out worldwide in favor of the new Zeta platform on which the G8 is based.

The base G8, referred to in Pontiac sales literature as the "G8 Sedan", is available with a 3.6-liter High Feature V6 engine, producing 256 hp (191 kW). The only transmission available is a five-speed GM 5L40-E automatic; fuel economy is officially rated at 17 mpg_‑US (14 L/100 km) city/25 mpg_‑US (9.4 L/100 km) highway.

Base G8 models come standard with six airbags (including full-length side curtain airbags), traction control, electronic stability control, dual tailpipes, 18-inch alloy wheels (fitted with either all-season or summer performance tires), sports body kit, fog lights, power windows and locks, cruise control, black cloth seats and a seven-speaker audio system, including front center speaker, single-disc CD player, and auxiliary input jack.