• From the early 1970s until its final model year in 2005, the Pontiac Grand Am from General Motors was a market leader. It was rated among the top ten passenger cars for sales in 1992, according to MSN Autos. The 1999 Grand Am was completely overhauled, featuring a shorter length and larger wheelbase. The 1999 Pontiac Grand Am GT was the high-performing trim, offered as a coupe or a sedan.
  
  

Physical Dimensions

• The 1999 Pontiac Grand Am GT was offered as a two-door coupe or a four-door sedan that rode on a 107.1-inch wheelbase. Both trims were 186.3 inches long, 54.5 inches tall and 70.6 inches wide. The front track was 58.7 inches, and the rear track was 59.3 inches. The GT coupe weighed 3,091 pounds; the GT sedan was heavier at 3,172 pounds. The fuel tank held 15 gallons.
  
  

Engine and Power

• Powered by a 175-horsepower, V-6 engine, the 1999 Pontiac Grand Am GT trims had a torque rating of 205 foot-pounds at 4,000 rpm. The 12-valve engine displaced at 3,350 cc, with a bore and stroke of 3.6-by-3.6 inches and a compression ratio of 9.5-to-1.
  
  

Standard Features

• Air conditioning, cruise control, power steering, bucket seats, leather-trimmed steering wheel and power windows as well as a radio and cassette player were standard interior features on both 1999 Pontiac Grand Am GT trims. Exterior features included power locks, daytime running lights, fog lights, alloy wheels, rear-window defogger and a rear spoiler.
  
  

Interior Spacing

• Standard seating was five passengers for both 1999 Pontiac Grand Am GT trims, with front headroom measuring 38.3 inches, front legroom of 42.1 inches, rear headroom of 37.1 inches and rear legroom of 35.5 inches.
  
  

Transmission, Fuel and Performance

• The 1999 Pontiac Grand Am GT coupe and sedan both came equipped with a four-speed automatic transmission. Gas mileage was 20 mpg in the city and 28 mpg on the highway. The GT had a zero to 60 mph acceleration time of 7.6 seconds and a quarter-mile speed of 15.7 seconds.