Quadra-Drive II is available with an electronic limited-slip rear differential. Quadra-Trac II uses a two-speed transfer case and electronic sensors that distribute the torque according to tire slippage, up to 60 percent to front or rear wheels. Quadra-Trac I is a full-time system with a single-speed transfer case and 48-52 front-rear transfer. There are three levels of 4WD capability. The 4×4 V6 uses a single-speed transfer case, while the 4×4 V8 uses a two-speed transfer case with Selec-Terrain and Hill Descent Control. Several different types of four-wheel drive systems are used depending on the engine. Off-road capabilities, with three separate systems, plus an optional air suspension system, are matched only by Land Rover but not at the Jeep price. All models come with a five-speed automatic transmission. The big 5.7-liter V8 Hemi is still an option for all models. The standard engine is a sweet new 3.6-liter V6 with double overhead-cams making 290 horsepower and 290 pound-feet of torque. Nothing is missed in the standard safety equipment. The styling moves uptown, with a sloped windshield and backlight, sculpted sides, and cleaner lines everywhere. The 60/40 rear seats recline for comfort enabling passengers to look up at the sky through the optional Panoramic sunroof that extends over both rows of seats and the front seat folds flat to carry long things like kayaks or two-by-fours.
The interior is stylish and made with high quality materials, especially the leather seats in the Laredo models. It's 3 inches wider for better handling and more hip room, with a wheelbase that's increased by 5 inches while overall length is only increased 1.8 inches, thanks to a reduced front overhang. The new Grand Cherokee offers more interior space, especially four more inches of rear seat legroom and more cargo capacity. There's a new super-stiff chassis with well-tuned independent front and rear suspensions that provide a comfortable ride on any surface, with solid and secure cornering. There's a new DOHC V6 that's smooth and powerful, making 290 horsepower and getting 16-23 mpg. Everything about the 2011 Jeep Grand Cherokee is new and excellent, including a lowered price.
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