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Photo © Bob Schulties
The 2011 Jeep Grand Cherokee will be the first vehicle to feature the new Pentastar engine, a 3.6 liter V6 tuned to deliver 280 hp and 260 lb-ft of torque, 33 percent more hp and 11 percent more torque than the previous Chrysler V6, along with an 11 percent increase in fuel economy.

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