Available in rear-wheel or four-wheel drive the Dodge Nitro comes in three trims: Heat, Detonator, and Shock. All 3 trims feature a powerful 260-hp 4.0-liter V6 engine mated to a five-speed automatic transmission. The Heat offers standard amenities such as power mirrors, windows and door locks with remote keyless entry, satellite radio, air conditioning, cruise control and seating for five. The Detonator adds rear-park assist, remote start system, power driver's seat, overhead console, trip computer, compass and exterior temperature display. The Shock adds heated front seats, leather trim interior, and a power sunroof. Standard safety features include: front airbags, side curtain airbags, active head restraints, traction and stability control with roll-over mitigation, brake assist, and a tire-pressure monitor.For 2011, the Heat gets several upgrades including a larger engine, five-speed automatic transmission, new wheels, an auto-dimming rear view mirror, cruise control, UConnect, security system, and deep tinted windows. The Detonator and Shock each get new wheels and a hood stripe.