The 2004 Chevrolet Monte Carlo is available as a 2-door, 5-seat coupe. Starting at $21,665, the 2004 Chevrolet Monte Carlo LS is powered by a 3.4L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 32-mpg on the highway. The top of the line 2004 Chevrolet Monte Carlo Supercharged SS, priced at $27,395, 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.