Question: what is the difference between a ford f150 4x4 and fx4?
Answer: Ford FX4 Distinctions The FX4 trucks made by Ford have very similar specs to those of the regular 4x4 truck. However, there are some differences. The FX4 comes with an improved suspension, which includes skid plates, stronger Ranchero shocks, and a higher ground clearance, as well as a limited slip rear end.