Grand Am GT Specs


The Grand Am GT, manufactured by Pontiac from 1999 to 2005, is a mid-size coupe or sedan with two or four doors. It is similar to the SE of the same era but has a larger engine, more torque and more speed. The Pontiac Grand Am was Pontiac's best-selling car before it was replaced by the Pontiac G6, according to Grand Ayum.


  • The last generation Pontiac Grand Am GT has a 3,350 cc engine displacement, with six cylinders arranged in two banks at an angle to each other. Each cylinder has two valves. The bore and stroke of the engine is 92 mm by 84 mm and the compression ratio is 9.5-to-one. The engine produces 175 horsepower at 4,800 rpm and a torque of 205 feet-pounds at 4,000 rpm.

Transmission and Fuel

  • The Grand Am GT is front-wheel drive and has a four-speed automatic transmission with overdrive. The coupe has a fuel economy of 20 miles per gallon (mpg) in the city and 29 mpg on the highway. The fuel tank holds 14.1 gallons of regular unleaded gasoline. The brakes are disc type. All of the brakes have anti-lock braking system and electronic traction control.


  • The Grand Am GT is 186.3 inches long, 70.4 inches wide and 55.1 inches high. The car has a wheelbase of 107.2 inches, weighs 3,091 lbs. and has a turning circle of 35.7 feet. The front seats have 38.3 inches of headroom, 52.4 inches of hip room, 53.7 inches of shoulder room and 42.1 inches of legroom. The rear seats have 37.2 inches of headroom, 49.3 inches of hip room, 55 inches of shoulder room and 35.5 inches of legroom. The car has an interior volume of 92.2 cubic feet and 14.6 cubic feet of cargo space.

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