On-road refinements begin with a new independent suspension system in both front and rear, which does away with the live axle setup out back. The body's torsional stiffness is up 146 percent as a result of an increase in the number of body welds and structural adhesives to reduce noise, vibrations and harshness.
Improvements inside begin with larger front- and rear-door openings, which lead to a cabin covered in better-quality leather and real wood trim. Rear occupants will have more than four extra inches of knee room and legroom, compared with the current model, and cargo volume grows by 6.8 cubic feet. The additional space comes courtesy of a wheelbase that is 5.3 inched longer than that on the current model.
Optional features include a dual-pane panoramic sunroof, a park assist system, adaptive cruise control, a forward-collision warning system and navigation.
Being a Jeep, the new Grand Cherokee's off-roading ability is dialed up with an available Quadra-Lift air suspension and a Selec-Terrain drivetrain system. The adjustable air suspension includes five settings, with one providing 11.1 inches of ground clearance for tough off-road excursions. The Select-Terrain system allows for up to 12 different powertrain, braking and suspension settings to tackle any terrain conditions, be it sand, mud, snow, rocks or the open
A 3.6-liter flex-fuel V6 rated at 280 hp and 260 lb-ft of torque serves as the base power option, a 70-hp improvement over the current 3.7-liter V6. Jeep says the new engine delivers an 11 percent fuel-economy improvement that, together with the larger 24.6-gallon fuel tank, gives the Grand Cherokee a range of about 500 miles. The 5.7-liter Hemi V8, rated at 360 hp, remains the upgraded engine choice.
Three different four-wheel-drive systems are available: Quadra-Trac I, Quadra-Trac II and Quadra-Drive II. The Select Terrain setup is standard on the latter two options.
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