http://jalopnik.com/5203380/2011-jeep-g ... -it-enough
In addition to the base model flex-fuel 3.6-liter V6 with an estimated 280 HP, the new Grand Cherokee gets the available 5.7-liter HEMI V8 generating 360 HP and 390 lb-ft of torque at 4,250 rpm – features VVT and despite features like VVT and fuel-saving Multi-displacement System (MDS) technology, we're still talking about fuel economy in the 16/23 (FWD) and 16/22 (AWD). The HEMI gets 14/20 (2WD) and 13/19 (4WD).