See also:

Traction Grades
The Traction grades, from highest to lowest, are AA, A, B, and C. These grades represent the tire’s ability to stop on wet pavement, as measured under controlled conditions on specified govern ...

Powertrains
The all-new 2011 Jeep Grand Cherokee is available with two leading engine options for North American markets. The 2011 Jeep Grand Cherokee's standard engine is an all-new flexible fuel 3.6-liter ...

Trac-Lok Rear Axle — If Equipped
The Trac-Lok rear axle provides a constant driving force to both rear wheels and reduces wheel spin caused by the loss of traction at one driving wheel. If traction differs between the two rear wh ...