Ford F 150 2007 car crash test. For most of the past three decades, the best-selling vehicle line in America has been Fords F-series. The 2007 Ford F-150s base engine is a 202-horsepower, 4.2-liter V-6. Two V-8s are available: a 231-hp 4.6-liter and a 300-hp 5.4-liter. Luckily F150 wrecks are few and far between.