The 2015 Ford F-450 is available as a 4-door, 5-seat regular side. Starting at $52,484, the 2015 Ford F-450 XL is powered by a 6.7L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2015 Ford F-450 Lariat, priced at $63,740, is powered by a 6.7L, 8-cylinder engine mated to an automatic transmission that returns an EPA estimated