The 2010 Honda Civic is available as a 2-door, 5-seat coupe. Starting at $16,255, the 2010 Honda Civic DX (A5) Coupe is powered by a 1.8L, 4-cylinder engine mated to an automatic transmission that returns an EPA estimated 25-mpg in the city and 36-mpg on the highway. The top of the line 2010 Honda Civic Si With Navigation/Summer Tires (M6) Sedan, priced at $24,455, is powered by a 2.0L, 4-cylinder engine mated to a manual transmission that returns an EPA estimated 21-mpg in the city and 29-mpg on the highway.