Nissan Frontier generations

The Frontier is offered in five trim levels: S, SV-I4, SV, the PRO-4X off-road model and the luxurious SL. Available engines include a 152-hp 2.5-liter four-cylinder (S, SV-I4), mated to either a five-speed manual or five-speed automatic transmission, and a 261-hp 4.0-liter V6 (SV, PRO-4X and SL), paired with either a six-speed manual or five-speed automatic transmission. Aluminum wheels, cruise control, keyless entry and power windows, along with a manual sliding rear window on Crew Cabs, are standard on all but the S trim level. The PRO-4X and SL get a Rockford Fosgate 6CD audio system, satellite radio and Bluetooth wireless connectivity, while the SL is further equipped with heated front seats and leather upholstery. Safety features include four-wheel anti-lock disc brakes, six airbags, active anti-whiplash front head restraints, a tire pressure monitor and Nissan's Vehicle Dynamic Control (VDC) electronic stability control system, including integrated traction control.