The Nissan Xterra PRO-4X comes with a low - range four - wheel drive system, skid plates, Bilstein shocks, special 16 - inch rims with knobby tires, an electronically - locking rear differential, and electronic driving aides such as hill descent control and hill start assist. (autobytel.com)
A dirt bike is a lightweight motorcycle with knobby tires and a tough suspension, designed to accommodate off road use and rugged terrain. (trustedchoice.com)