The 2006 Chevrolet Monte Carlo is available as a 2-door, 5-seat coupe. Starting at $20,330, the 2006 Chevrolet Monte Carlo LS is powered by a 3.5L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 21-mpg in the city and 31-mpg on the highway. The top of the line 2006 Chevrolet Monte Carlo SS, priced at $26,330, is powered by a 5.3L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated 18-mpg in the city and 28-mpg on the highway.