The 2007 Ford F-150 Lariat offers a number of appearance and convenience options that give the F-150 a purposeful, upscale look. The F-150 comes in three engine choices, a 4.2 liter 202 horsepower V6, a 4.6 liter 248 horsepower V8 and a 5.4 liter 300 horsepower V8. With all that horsepower under the hood, the F-150 is capable of towing up to 9,500 pounds.