Friday, September 25, 2015

Pontiac, which was owned by General Motors, released several different vehicles that came with a 3.8-liter engine. These vehicles include versions of the Bonneville sedan, Grand Prix sports car and Firebird sports car. While all of these cars have 3.8-liter engines, specifications can still vary depending on the model.

1999 Pontiac Firebird

    The standard coupe and convertible have a 3.8-liter V6 engine with 200 horsepower at 5,200 rpm, or revolutions per minute. Torque is rated at 225 foot-pounds at 4,000 rpm. The compression ratio is 9.4 to one and the engine displacement is 3,785 cc. The bore and stroke measure 3.80 inches and 3.40 inches. The fuel tank is 16.8 gallons, and the car has 12.9 cubic feet of cargo space. A five-speed manual overdrive transmission is standard, though you can choose a four-speed automatic overdrive transmission instead.

2003 Pontiac Bonneville

    The 2003 Bonneville has a 3.8-liter V6 engine and 240 horsepower at 5,200 rpm. The torque rating is 280 foot-pounds at 3,600 rpm. The compression ratio is 8.5 to one. The engine has a displacement of 3,790 cc. The bore and stroke also measure 3.80 inches and 3.40 inches. The Bonneville comes exclusively with a four-speed automatic overdrive transmission. It can tow up to 1,000 pounds and has 18 cubic feet of cargo room. The fuel tank is 18.5 gallons, and the Bonneville runs on unleaded fuel.

2004 Pontiac Grand Prix

    The GT1 and GT2 models have a 3.8-liter V6 engine and 200 horsepower at 5,200 rpm. The GTP has a 3.8-liter V6 engine with 260 horsepower at 5,200 rpm. The GT1 and GT2 create 225 foot-pounds at 4,000 rpm, while the GTP produces 280 foot-pounds of torque at 3,600 rpm. The engine displacement is 3,791 cc, and the bore and stroke data are the same as the other Pontiac models. The GT1 and GT2 have a compression ratio of 9.4 to one. The GTP has a compression ratio of 8.5 to one. The fuel tank is 17 gallons.

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