Possible Clues:

• Motocross racer, for short
• Environmentally irresponsible off-roader
• It may go off the road, briefly
• Hardy wheels, for short
• 4x4, e.g.
• Beach vehicle, for short
• Dune buggy's kin
• Motocross necessity
• Suzuki offering, briefly
• Dune rider's transport, for short