Porsche Cayman Wheel Lug Pattern, Offset ET, Center Bore & Rim Size Reference
The Porsche Cayman features specific wheel lug bolt patterns that ensure proper fitment and safety. Throughout its production years, the Cayman primarily uses a lug pattern of 5 × 130 mm PCD, with variations in offset (ET) and center bore depending on the model year and wheel design.\n\nOffset (ET) values for the Cayman typically range from ET50 to ET60, optimizing wheel positioning for better handling and clearance. The center bore diameter generally measures 71.6 mm, matching Porsche's standard hub sizing for secure mounting.\n\nWheel rim sizes vary between different Cayman generations and trims, commonly featuring 18 to 20 inches in diameter. Correct wheel sizing in combination with the recommended lug pattern and offset ensures ideal vehicle performance and appearance.\n\nRefer to our year-sorted Porsche Cayman wheel lug pattern catalog for exact PCD, offset ET, and center bore specifications to confirm compatible wheel selections.
| Make / model / trim | Year | Tire | Rim width (in) | Rim diam. (in) | Bolt pattern | Offset ET | Bore DIA | Mounting |
|---|---|---|---|---|---|---|---|---|
| Porsche Cayman 2.7 | 2019 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 3.8 GT4 | 2019 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman GTS 3.4 | 2019 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2019 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2018 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 3.8 GT4 | 2018 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman GTS 3.4 | 2018 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2018 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2017 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 3.8 GT4 | 2017 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman GTS 3.4 | 2017 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2017 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2016 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 3.8 GT4 | 2016 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman GTS 3.4 | 2016 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2016 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2015 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 3.8 GT4 | 2015 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman GTS 3.4 | 2015 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2015 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2014 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman GTS 3.4 | 2014 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2014 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2013 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2013 | 235/45R18 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.9 | 2012 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman R 3.4 | 2012 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3,4 Sport | 2012 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2012 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.9 | 2011 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman R 3.4 | 2011 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3,4 Sport | 2011 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2011 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.9 | 2010 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman R 3.4 | 2010 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3,4 Sport | 2010 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2010 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2009 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.9 | 2009 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3,4 Sport | 2009 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2009 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2008 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3,4 Sport | 2008 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2008 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2007 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2007 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman 2.7 | 2006 | 205/55R17 | 6.5 | 17 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2006 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
| Porsche Cayman S 3.4 | 2005 | 235/40R18 | 8 | 18 | 5×130 | 50 | 71.6 | M14*1,5 |
FAQ
- What is the Porsche Cayman wheel lug pattern?
- The Porsche Cayman uses a lug pattern of 5 × 130 mm PCD across most model years.
- What offset (ET) is recommended for Porsche Cayman wheels?
- Recommended offset values typically range between ET50 and ET60 depending on model and wheel style.
- What is the center bore size for Porsche Cayman wheels?
- The standard center bore diameter on Porsche Cayman wheels is 71.6 mm for proper hub fitment.
Tire size calculatorShow
Compare two tire sizes — diameter, speedometer error, and clearance change.
| Size 1 | Size 2 | Diff | Diff(%) | |
|---|---|---|---|---|
| Diameter | 25.0" | 25.4" | 0.5" | 1.89% |
| Width | 7.7" | 8.5" | 0.8" | 10.26% |
| Circumference | 78.4" | 79.9" | 1.5" | 1.86% |
| Profile height | 5.0" | 4.2" | -0.7" | -15.08% |
| Turnover per mile | 807 | 793 | 14 | -1.73% |
| Clearance | - | - | +0.2" | - |






Speedometer Error
(First wheel OEM size)
| Reading | 20 mph | 30 mph | 40 mph | 50 mph | 60 mph | 70 mph | 80 mph | 90 mph |
|---|---|---|---|---|---|---|---|---|
| Actual | 20.4 | 30.5 | 40.7 | 50.9 | 61.1 | 71.2 | 81.4 | 91.6 |
