About 2012 Jeep Grand Cherokee For the 2012 model year, Jeep Grand Cherokee receives enhancements that improve both on- and off-road performance. These changes, in combination with new option packaging, keep Jeep Grand Cherokee at the head of the pack in terms of off-road ability, and on-road refinement. Mechanical changes for the 2012 model year include a revised automatic transmission for V-8 models that allows for six speeds when shifted in manual mode, and an electro-hydraulic power steering system on V-6 models. Both new features allow for better performance and everyday drivability with improved efficiency. The combination of Grand Cherokee's Quadra-Lift air suspension system and the Jeep Selec-Terrain traction control system lets customers choose the 4x4 setting for the optimum experience on all terrains. Selec-Terrain electronically coordinates up to 12 different powertrain, braking and suspension systems, including throttle control, transmission shift, transfer case, traction control and electronic stability control. The 2012 Jeep Grand Cherokee features the award-winning 3.6-liter Pentastar V-6 engine. It delivers 290 horsepower and 260 lb.-ft. of torque. The 5.7-liter V-8 engine delivers 360 horsepower and 390 lb.-ft. of torque. The 2012 Jeep Grand Cherokee offers an array of infotainment technologies for driver safety and passenger enjoyment. The features enable drivers to safely communicate, navigate and select entertainment options using advance voice recognition controls. Passengers can stay entertained with SIRIUS Satellite Radio, Uconnect Navigation, Phone and Web.