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The powerful 5.7-liter V8 engine delivers performance and towing capability, as well as increased fuel efficiency thanks to its innovative Multi-Displacement System (MDS) and Variable Valve Timing (VVT).

Feature Availability

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  • MPG

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    • 23 Highway MPG en_11_gcherokee_4x2_36L
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  • Tech-Happy

    The 3.6-liter Pentastar V6 engine with Variable Valve Technology is an All-New design featuring double overhead camshafts, Variable Displacement Oil Pump and high-flow intake and exhaust ports, dual independent cam phasing. That all translates into an exceptionally flat torque curve with 90 percent of the peak value available from 1,600 to 6,400 rpm. Outcome: smooth, responsive driving experience.

  • Fuel-saving technology
    Fuel-saving technology

    The 5.7-liter V8 engine features advanced fuel-saving technology that automatically deactivates four cylinders when eight are not needed. When cruising at highway speeds between 40 and 60 mph, MDS uses advanced computer technology and electronic throttle control to transform the engine seamlessly from V8 power to an efficient four-cylinder power plant in 0.04 seconds.

  • Is Your Timing Variable?
    Is Your Timing Variable?

    The 5.7-liter V8 features new state-of-the-art Variable Valve Timing (VVT) on the exhaust valves to substantially improve fuel economy and refinement, and maximize performance. By closing the intake valve later, the engine is able utilize formerly wasted energy to push the crank instead of rejecting it as heat.


    The new VVT improves fuel economy in two ways. First, it reduces the engine's pumping work by closing the intake valve later. Second, it increases the expansion process of the combustion event. This allows more work to be transferred to the crankshaft instead of being rejected out of the exhaust port as heat. Essentially, VVT improves engine breathing, which improves engine efficiency and power.


*MSRP excludes destination, taxes, title and registration fees. Starting at price refers to the base model, optional equipment not included. A more expensive model may be shown. Pricing and offers may change at any time without notification. To get full pricing details, see your dealer. Financing and deferred monthly payments for well-qualified buyers when financed through Ally Financial. Not all buyers will qualify. Interest, if any, accrues from date of purchase. Lease offers are not eligible for deferred payments. Deferred monthly payment offer not available in DC. Only those Maine and Pennsylvania residents who finance at 0% APR are eligible for deferred monthly payments. Must take retail delivery by May 31, 2012.
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