The 2003 Chevrolet Cavalier is available as a 2-door, 5-seat coupe. Starting at $14,030, the 2003 Chevrolet Cavalier Base Coupe is powered by a 2.2LL , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 25-mpg in the city and 33-mpg on the highway. The top of the line 2003ChevroletCavalierLS Sport Sedan , priced at $ 17,030 , is powered by a 2.2LL , 4 - cylinder engine mated to a manual transmission that returns an EPA estimated 26-mpg in the city and 33-mpg on the highway.