yes you can. i have an 06 with 245/70/17 all terrain tires. max size with no lift would be 255/75/17 with minor rub issues (indder fender well, sway bar, and the upper control arm bolt that hides right above your front tires now) all which can be corrected with trimming and modifying (slightly)
The 2006 Jeep Grand-Cherokee has 12 valves.
The 2006 Jeep Grand-Cherokee has a V6 engine.
The 2006 Jeep Grand-Cherokee is a gas-powered vehicle.
The 2006 Jeep Grand-Cherokee's turning circle is 36.7 ft..
The 2006 Jeep Grand-Cherokee has a 34.1 degrees angle of approach.
The 2006 Jeep Grand-Cherokee runs on regular unleaded.
The maximum payload of the 2006 Jeep Grand-Cherokee is 1550 lbs..
The 2006 Jeep Grand-Cherokee has single overhead cam (SOHC).
The height of the 2006 Jeep Grand-Cherokee is 5 ft. 10.3 in. (70.3 in.).
The 2006 Jeep Grand-Cherokee is 15 ft. 6.7 in. (186.7 in.) long.
The 2006 Jeep Grand-Cherokee has a 27.1 degrees angle of departure.
The curb weight of the 2006 Jeep Grand-Cherokee is 3789 lbs..