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BigO Tire
Confirm Tire Size
Shopping for tires? Select tire size to proceed.
2006 Jeep Grand Cherokee SRT8
Your vehicle manufacturer’s recommended tire specs include different front and rear tire sizes (i.e. staggered fitment). Learn about Staggered Fitment
Original Equipment Wheel Diameter:
Front 20" / Rear 20"
Front Tires
255/45R20
Rear Tires
285/40R20
Where can I find my tire size?Where can I find my tire size?