4x4 (4WD) A 4x4 vehicle that hasfour-wheel drive (4WD). "4x4" in a 4WD vehicle means there are 4 wheels total and 4 wheels that are driven. Utility quads are typically 4x4. 4 x 2 (2WD) A 4x2 or 2WD is a vehicle that has a two-wheel drive (2WD) with four wheels. "4x2" in...