The 2004 Chevrolet Malibu Maxx is available as a 4-door, 5-seat wagon. Starting at $21,600, the 2004 Chevrolet Malibu Maxx LS is powered by a 3.5L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 30-mpg on the highway. The top of the line 2004 Chevrolet Malibu Maxx Base, priced at $21,100, is powered by a 3.5L, 6-cylinder engine mated to an automatic transmission that returns an EPA estimated 22-mpg in the city and 30-mpg on the highway.