With its on-road refinement, well-trimmed cabin and traditional off-road ability, the 2012 Jeep Grand Cherokee is a fully competitive midsize SUV. Standard equipment includes 17-inch alloy wheels, automatic headlights, foglamps, cruise control, dual-zone air-conditioning, a tilt-and-telescoping leather-wrapped steering wheel and a six-speaker sound system with a CD player and an auxiliary audio jack. An optional package adds keyless entry/ignition, a power driver seat (including lumbar adjustment), satellite radio and a USB/iPod interface. The Security and Convenience package includes remote engine start, Bluetooth, a cargo cover, an auto-dimming rearview mirror and a USB/iPod interface. A back-up camera, a power passenger seat, heated front seats, leather upholstery and a nine-speaker premium sound system (with satellite radio, HD radio, digital music storage and a touchscreen interface) are also available. The Limited gets all the Laredo's optional equipment plus 18-inch wheels, additional chrome trim, bi-xenon headlights, rear parking sensors, a Garmin navigation system, automatic wipers, auto-dimming exterior mirrors, a dual-pane panoramic sunroof, a power passenger seat, dual-zone automatic climate control, driver memory functions, heated front and rear seats and a leather-wrapped shift knob. The Limited model's options include a power liftgate, a power and heated tilt-and-telescoping steering wheel, ventilated front seats and an upgraded navigation system with real-time traffic. The Overland gets all the Limited's options, plus the variable-height Quadra-Lift air suspension and special exterior and interior trim that includes a mesh grille, perforated leather seating and a wood/leather steering wheel. The Overland Summit tops it off with additional exterior chrome accents, unique 20-inch polished aluminum wheels, exclusive black olive wood cabin trim, a heated steering wheel, upgraded leather upholstery (with accent piping and unique stitching) and premium flo