The 2003 Ford Explorer is available as a 4-door, 5-seat sport utility. Starting at $26,285, the 2003 Ford Explorer XLS 4.0L (100A) 4x2 is powered by a 4.0LL , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 21-mpg on the highway. The top of the line 2003FordExplorerLimited 4.6L (365A) AWD , priced at $ 37,000 , is powered by a 4.6LL , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 19-mpg on the highway.