ORIGINAL EQUIPMENT SIZES FOR:

1999 Porsche 911 \ 2 Dr Convertible Carrera 4 (225/40R18 92 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 (92)/R:265/40R18 (97)
SELECT YOUR CURRENT TIRE SIZE

Different size for rear tires?