ORIGINAL EQUIPMENT SIZES FOR:

2003 Porsche Boxster \ 2 Dr Convertible Roadster S (8x18)

YOUR VEHICLE'S OEM TIRE SIZE

Based on our records, this should be your vehicle's current tire size.

OE Wheel Diameter: 18" F:225/40R18 (93Y)/R:265/35R18 (97Y)
SELECT YOUR CURRENT TIRE SIZE

Different size for rear tires?