2009 Pontiac G8 GXP pricing announced

Article by Christian Andrei, on August 29, 2010

It was confirmed today by Pontiac that pricing for the 2009 Pontiac G8 GXP will begin at $39,995, inclusive of $685 destination and freight charges and $1,700 in appropriate federal gas guzzler taxes.

The G8 GXPs is the most potent factory Pontiac ever made with 415 horsepower and an acceleration of 0-60 in less than 5.0 seconds, and is equipped with a typical 6-speed automatic transmission or a 6-speed manual transmission as an option for a price of $695.

Also available is a sunroof that costs $900 which comes as an option. Concluding EPA fuel efficiency levels for the G8 GXP are 13 mpg in the city while on the highway it is 20 mpg.

Pontiac has presented the 2009 Pontiac G8 GXP high-performance sedan at the 2008 New York Auto Show. As the new flagship, the Pontiac G8 GXP will be the latest offering from Pontiac that will be launched in late 2008, including the Solstice, G6 and Torrent GXP models.

It is powered by a 6.2L LS3 small-block V8 engine that delivers 402 hp (300 kW) of max output and 402 lb.-ft. (546 Nm) of peak torque that should allow the Pontiac G8 GXP to accelerate from zero to 60 mph in just 4.7 seconds, and to sprint to a quarter mile in just 13.0 seconds at 108 mph – all pending final testing and final SAE certification.

The 6.2L LS3 small-block V8 engine – the latest member of GM's small-block V8 family – comes with a revised high-flow, L92-style cylinder heads with larger bore cylinder block, high-flow intake manifold, and high-flow fuel injectors.

It also features larger-diameter pistons designed for high-rpm performance, revised valve train with offset intake rocker arms, and distinct camshaft and camshaft timing. Sporting an aluminum cylinder block with cast-in-place iron cylinder liners, the LS3 V8 features larger bores to help create a 376-cubic-inch displacement.

Moreover, a number of revisions and machining in the bulkheads were made to enhance the strength of the block casting as well as to improve bay-to-bay breathing. On the other hand, the high-flow cylinder heads – derived from the large port and valve design found on the LS7 engine and other GM L76 engines -- assist in engine breathing.

Furthermore, the engine's larger-capacity, straighter intake port-design allows for optimal intake flow to the combustion chamber. This is boosted by large valves that measure 2.16 inches (55.0 mm) and 1.59 inches (40.4 mm) on the intake and exhaust sides, respectively. The LS3 V8 engine is mated, as standard, to the Hydra-Matic six-speed 6L80 automatic transmission that features a clutch-to-clutch operation as well as an integrated 32-bit transmission controller for smoother and more precise shifts.

This gearbox comes with a 6.04:1 overall ratio for a "steep" first-gear, allowing the 2009 Pontiac G8 GXP to powerfully accelerate from s standstill. Moreover, this gearbox features "tall" overdrive ratios that lower engine rpms to help deliver better fuel economy and lowered noise.

Customers could also have the LS3 V8 paired to the optional six-speed Tremec TR6060 manual gearbox, which transmits power and torque from the engine to the rear wheels with a lower shift throw. This Tremec TR6060 manual transmission is equipped with premium gear synchronizers, a single-piece counter shaft, and machined gear teeth as well as stronger gears, housing, and bell housing.

The Hydra-Matic and the Tremec TR6060 transmissions feature final drive ratios of 3.27 and 3.70, respectively. A limited-slip differential is standard. Complementing the dynamic nature of the LS3 V8 engine is a high-performance fully adjustable four-wheel independent suspension. Underpinning the Pontiac G8 GXP is the G8's 114.8-inch (2,915 mm) wheelbase, featuring a 62.7-inch (1,592 mm) front track and 63.3-inch (1,608 mm) rear track.

The sedan's suspension features a MacPherson strut design in the front axle, and a four-link, coil-over-shock design in the rear axle. For more responsive handling, Pontiac increased lateral stiffness by installing a direct-acting front stabilizer bar, lateral ball joints and decoupled rear stabilizer bar on the rear suspension. While the front suspension is equipped with a fully adjustable caster, camber and toe, the rear suspension is fitted with fully adjustable camber and toe.

To develop and validate the ride and handling attributes of the G8 GXP, Pontiac had the performance sedan tested on racetracks and highways around the world, including the Nürburgring racing circuit in Germany. Thus, the finished product is able to deliver sharp yet immediate responses and a well-balanced road feel.

To match the exceptional power, ride and handling, the G8 GXP features a tuned steering rate for a more definitive driver feedback and more immediate response. Just like in the G8 sedan and GT, the steering box in the G8 GXP has been placed just ahead of the front axle line to deliver a quicker, more direct feel.

Taking care of the stopping power is a Brembo four-wheel disc braking system that includes a 14-inch (355 mm) vented front and 12.76-inch (324 mm) rear disc rotors. The system also features special quad-piston alloy calipers in front and alloy calipers on the rear, which comes with single-piston actuation.

Moreover, the braking system features standard anti-lock brakes and traction control. Jim Bunnell, Buick-Pontiac-GMC general manager, remarked that the new G8 XGP does not only deliver raw power, but also offers a sophisticated and exciting driving experience typically expected from far more expensive vehicles.

Press Release

2009 Pontiac G8 GXP

Pontiac today confirmed pricing for the 2009 Pontiac G8 GXP will start at $39,995, including $685 destination and freight charges and $1,700 in applicable federal gas guzzler taxes.

With 415 horsepower and 0-60 times well under 5.0 seconds, the G8 GXPs is the most powerful production Pontiac ever created and comes standard with a six-speed automatic transmission or an optional ($695) six-speed manual transmission.

A $900 sunroof option is also available. Final EPA fuel economy ratings for the G8 GXP are 13 miles per gallon in the city, 20 miles per gallon on the highway.

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