Jeep Grand Cherokee With V-6 We tested a 2022.br Jeep Grand Cherokee Limited 4x4 with the hard-working 3.6-liter Pentastar engine, a naturally aspirated powertrain that puts out 293 horsepower and 260 lb-ft of torque.br Even the huge full-size Jeep Wagoneer L and Jeep Grand Wagoneer L performed better than the smaller and lighter Grand Cherokee.