What is fx4?

FX4 is a trim level offered by Ford for their trucks and SUVs. It typically includes features such as off-road suspension, skid plates, all-terrain tires, and a locking rear differential. The FX4 package is designed for those who plan on taking their vehicle off-road and need the extra capabilities and durability that come with it. The FX4 trim is available on models such as the Ford F-150, Ranger, and Expedition.