The 2010 Ford F-150 is available as a 2-door, 3-seat regular side. Starting at $25,085, the 2010 Ford F-150 STX 4x2 Regular Cab Styleside 6.5' Box is powered by a 4.6L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated 15-mpg in the city and 19-mpg on the highway. The top of the line 2010FordF-1504x4 Super Cab Styleside 5.5' Box , priced at $ 38,260 , is powered by a 5.4L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated 14-mpg in the city and 18-mpg on the highway.