The 2002 Jeep Liberty is available as a 4-door, 5-seat sport utility. Starting at $18,395, the 2002 Jeep Liberty Sport 4x4 is powered by a 2.4L , 4 -cylinder engine mated to a manual transmission that returns an EPA estimated 19-mpg in the city and 23-mpg on the highway. The top of the line 2002JeepLibertyLimited Edition 4x2 , priced at $ 21,695 , is powered by a 3.7L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 20-mpg on the highway.