The 2003 Chevrolet Blazer is available as a 2-door, 4-seat sport utility. Starting at $22,845, the 2003 Chevrolet Blazer Xtreme 4x2 2dr is powered by a 4.3L , 6 -cylinder engine mated to a manual transmission that returns an EPA estimated 16-mpg in the city and 22-mpg on the highway. The top of the line 2003ChevroletBlazer4x4 2dr , priced at $ 23,745 , is powered by a 4.3L , 6 - cylinder engine mated to a manual transmission that returns an EPA estimated 14-mpg in the city and 17-mpg on the highway.