The 2009 Ford Explorer Sport Trac is available as a 4-door, 5-seat sport utility. Starting at $31,310, the 2009 Ford Explorer Sport Trac Limited 4.0L (130A) 4x2 is powered by a 4.0L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 20-mpg on the highway. The top of the line 2009FordExplorer Sport TracXLT 4.6L (220A) 4x4 , priced at $ 31,295 , is powered by a 4.6L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 19-mpg on the highway.