In the 1960s and early 1970s, Pontiac, which is owned by General Motors, was an early driving force in igniting the muscle-car wars. The GTO, for example, got the jump on the Ford Mustang and Chevrolet Camaro in big V8 power. Pontiac's muscle cars disappeared amid the gasoline shortages of the 1970s. However, the 2008 and 2009 Pontiac G8 GXP recall some of that muscle-car image with the same V8 that powers the Corvette.
Under the Hood
A 415-horsepower 6.2-liter V8 powered the 2009 Pontiac G8 GXP. Pontiac produced the model only for 2008 and 2009. A fuel-injection system delivered 91-octane fuel from a 19-gallon tank, and a compression ratio of 10.7:1 helped the V8 generate 415 ft.-lb. of torque. The torque gave the G8 GXP its off-the-line power from a standstill. The engine is a General Motors LS3 small-block Chevy V8, which also powers the 2008 and later Corvettes. Matched with a Tremec 6060 six-speed manual transmission, the V8 propelled the G8 GXP from zero to 60 mph in about 4.7 seconds. It completed the quarter mile in 13.2 seconds. Fuel efficiency, however, is only middling, earning 13 mpg in the city and 20 on the highway.
Chassis
An anti-lock braking system (ABS), brake assist and electronic brake distribution complemented the G8 GXP's all-wheel ventilated 14-inch Brembo disc brakes. Coil springs and stabilizer bars matched the independent strut suspension in the front and independent multi-link suspension in the rear.
Size
The 4,050-lb. G8 GXP shared the same dimensions as its sibling, the G8 GT. It had a 114.8-inch wheelbase, and was 196.1 inches long, 74.8 inches wide and 74.8 inches tall. Its curb-to-curb turning radius was 37.4 feet. The cabin featured front leg room at 42.2 inches, with the rear leg room at 39.4 inches. The cabin also featured 38.7 inches of head room in the front and 38 inches of head room in the rear seat. Cargo space was 17.5 cubic feet. The G8 GXP rode on 19-inch wheels.
Features
Standard equipment for the 2009 Pontiac G8 GXP included front and rear bumpers painted to match the body color, daytime running lights, fog lamps, luxury leather and alloy accents on the gearshift knob, steering wheel and dashboard, rear spoiler, air conditioning with climate control, anti-theft system and a 11-speaker Blaupunkt RDS satellite stereo system with six-disc CD player and MP3 reader. The car also featured a cellular phone hookup, compass, external temperature gauge, heated and electrically adjustable driver and passenger seats, power locks and windows, tachometer and low tire pressure indicator.
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