The 2004 Jeep Liberty is available as a 4-door, 5-seat sport utility. Starting at $24,840, the 2004 Jeep Liberty Renegade 4x4 is powered by a 3.7L , 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 2004JeepLibertySport 4x4 , priced at $ 19,890 , is powered by a 2.4L , 4 - cylinder engine mated to a manual transmission that returns an EPA estimated 20-mpg in the city and 24-mpg on the highway.