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2006 Pontiac Grand Prix GXP
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 18" / Rear 18"
Front 18" / Rear 18"
Front Tires
P255/45R18
Rear Tires
P225/50R18