The 2011 Jeep Grand Cherokee 4WD Overland is a mid-size SUV that offers a comfortable ride, plenty of space, and off-road capabilities. It comes equipped with a 3.6-liter V6 engine that produces 290 horsepower and 260 lb-ft of torque, paired with a five-speed automatic transmission. The Overland trim level adds features such as a rearview camera, heated and ventilated front seats, a panoramic sunroof, and a premium audio system. The 4WD system on the 2011 Jeep Grand Cherokee Overland is designed for off-road driving and features a low-range transfer case for improved traction and control. It also comes with a terrain management system that allows drivers to select the appropriate driving mode for different conditions, including snow, sand, mud, and rock. Inside, the Grand Cherokee Overland offers a spacious and luxurious cabin with plenty of high-quality materials and features. Standard equipment includes leather upholstery, dual-zone automatic climate control, a touchscreen infotainment system, and a power liftgate. In terms of safety, the 2011 Jeep Grand Cherokee Overland comes with a range of advanced features such as stability control, traction control, antilock brakes, and a full complement of airbags. Optional safety features include blind-spot monitoring, rear cross-traffic alert, and forward collision warning. Overall, the 2011 Jeep Grand Cherokee 4WD Overland is a capable and comfortable SUV that offers a good balance of on-road comfort and off-road performance. It is well-suited for families and adventurers who need a vehicle that can handle a variety of driving conditions.