The 2001 Pontiac Grand Prix is available as a 4-door, 5-seat sedan. Starting at $21,960, the 2001 Pontiac Grand Prix GT Coupe is powered by a 3.8L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 30-mpg on the highway. The top of the line 2001 Pontiac Grand Prix GTP Sedan, priced at $25,630, is powered by a 3.8L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 28-mpg on the highway.