Porsche Cayman Tire Sizes and Rim Dimensions by Model Year and Trim

The Porsche Cayman features varying tire size markings and rim dimensions depending on the model year and trim level. From early generations to recent releases, rim widths typically range between 8 to 11 inches with diameters from 18 to 20 inches, optimized for sport performance.\n\nEach trim level, including base models and sportier variants like the Cayman S or GTS, offers distinct tire and wheel specifications. Understanding these differences aids in selecting compatible replacements or upgrades while maintaining performance and handling.\n\nWhen comparing trims, focus on the tire width and aspect ratio indicated by markings such as 235/40ZR18 or 265/35ZR20. These numbers represent the tire width, profile, and diameter crucial for proper fitment. Rim width × diameter sizing, for example 8.5J×19, provides further guidance on acceptable wheel specifications.\n\nAlways consult detailed tire codes and rim sizing charts to ensure compatibility and safe operation. Maintaining correct tire and rim combinations preserves the Porsche Cayman's driving characteristics across all trims and model years.

For bolt pattern (PCD), offset ET, center bore, and mounting details, open the bolt pattern page for Porsche Cayman.