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Pentastar DOHC V6 Engine

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The Grand Cherokee's new Pentastar DOHC V-6 is rated at 290 horsepower and 260 lb-ft of torque, and delivers 90 percent of usable torque between 1,600 and 4,600 rpm. EPA mileage estimates for the four-wheel drive application are 22 city, 16 highway. If you want Big Power, the 390hp 5.7L Hemi can still be ordered as an option.