The 2003 Isuzu Ascender is available as a 4-door, 7-seat sport utility. Starting at $28,649, the 2003 Isuzu Ascender 4x2 is powered by a 4.2L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 20-mpg on the highway. The top of the line 2003IsuzuAscender4x4 , priced at $ 31,349 , is powered by a 4.2L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 20-mpg on the highway.