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BigO Tire
BigO Tire
Confirm Tire Size
Shopping for tires? Select tire size to proceed.
2018 Porsche 911 GT3
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
245/35R20
Rear Tires
305/30R20
Original Equipment Wheel Diameter:
Front 20" / Rear 20"
Front Tires
245/35R20
Rear Tires
295/35R20
Where can I find my tire size?Where can I find my tire size?