When the 2011 Jeep Grand Cherokee drives off-road, Quadra-Lift air suspension raises the vehicle making it more capable off-road and if you happen to be driving it on-road it lowers it for better handling and fuel efficiency. On-road.<br /><br /><br /><img src="http://ll.broadbandsports.com/images/41314_thumb.jpg" alt="2011 Jeep Grand Cherokee Off-Road and On Commercial" title="2011 Jeep Grand Cherokee Off-Road and On Commercial" width="150" height="90" alt="2011 Jeep Grand Cherokee Off-Road and On Commercial"/>
