The 2007 Ford F-150 is available as a 2-door, 3-seat regular side. Starting at $22,825, the 2007 Ford F-150 STX 4x2 Regular Cab Flareside Flareside is powered by a 4.2LL , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 16-mpg in the city and 20-mpg on the highway. The top of the line 2007FordF-150XLT 4x4 Super Cab Styleside Styleside 8' Box , priced at $ 30,825 , is powered by a 5.4LL , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 18-mpg on the highway.