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BigO Tire
BigO Tire
Confirm Tire Size
Shopping for tires? Select tire size to proceed.
2013 Porsche Boxster Base
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
235/35ZR20
Rear Tires
265/35ZR20
Original Equipment Wheel Diameter:
Front 19" / Rear 19"
Front Tires
235/40ZR19
Rear Tires
265/40ZR19
Original Equipment Wheel Diameter:
Front 18" / Rear 18"
Front Tires
235/45ZR18
Rear Tires
265/45ZR18
Where can I find my tire size?