The 2001 Nissan Frontier 4WD is offered in King Cab and Crew Cab body styles in a variety of different configurations, with King Cabs offering two front doors and swing down rear jump seats. The Crew Cab comes equipped with four doors and a full-size back seat. The Frontier is offered in XE, SE and SC trims. It comes equipped with engines ranging from a 4-cylinder to a supercharged gas-powered V6. If it’s luxury equipment you’re looking for, the Frontier comes decently equipped with air conditioning, driver and passenger-side airbags, ABS brakes and AM/FM/CD audio.