The 2005 Pontiac Sunfire is available as a 2-door, 5-seat coupe. Starting at $10,895, the 2005 Pontiac Sunfire w/1SV is powered by a 2.2L, 4-cylinder engine mated to a manual transmission that returns an EPA estimated 26-mpg in the city and 36-mpg on the highway. The top of the line 2005 Pontiac Sunfire Base, priced at $15,205, is powered by a 2.2L, 4-cylinder engine mated to a manual transmission that returns an EPA estimated 26-mpg in the city and 36-mpg on the highway.