235/45R18

Tire size lookup — every vehicle row in this catalog that lists 235/45R18 (277 references).

Use this page as a reverse index: jump to a make/model page for year-sorted context, or follow a bolt pattern link when you are also matching wheels. Trims and markets vary, so treat each row as a guide and confirm against your installed tires and manufacturer documentation.

From here you can open the tire sizes catalog or the bolt pattern catalog for broader browsing.

FAQ

What does the 235/45R18 tire marking mean?
235/45R18 is a metric tire code: section width in millimeters, aspect ratio (sidewall height as a percent of width), construction (R = radial), and rim diameter in inches. Always match load/speed ratings and verify overall diameter effects on your speedometer.
Why are several different vehicles listed for one tire size?
Many OEM applications reuse the same tire marking across makes, model years, and trims. This page groups catalog rows that reference the marking so you can compare wheel references and follow links to model-specific pages.
Is this official OEM documentation?
No—treat this dataset as a practical reference compiled from public-style fitment rows. Markets, packages, and factory options differ; verify the exact row for your VIN or tire placard before ordering.
Vehicle Year Tire Wheel Bolt
Aston Martin Vantage Coupe 4.32019235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72019235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122019235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V12S2019235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32018235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72018235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122018235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V12S2018235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32017235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72017235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122017235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V12S2017235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32016235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72016235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122016235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V12S2016235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32015235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72015235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122015235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V12S2015235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32014235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72014235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122014235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V12S2014235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32013235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72013235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122013235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V12S2013235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32012235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72012235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122012235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32011235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72011235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122011235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32010235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72010235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122010235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32009235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72009235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 5.9 V122009235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32008235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.72008235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32007235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32006235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Coupe 4.32005235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32019235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72019235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 5.9 V12S2019235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32018235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72018235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 5.9 V12S2018235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32017235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72017235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 5.9 V12S2017235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32016235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72016235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 5.9 V12S2016235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32015235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72015235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 5.9 V12S2015235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32014235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72014235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 5.9 V12S2014235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32013235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72013235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32012235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72012235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32011235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72011235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32010235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72010235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32009235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72009235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32008235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.72008235/45R188.5" × 18" 5×114.3
Aston Martin Vantage Roadster 4.32007235/45R188.5" × 18" 5×114.3
Aston Martin Virage Cabrio 5.92012235/45R188.5" × 18" 5×114.3
Aston Martin Virage Cabrio 5.92011235/45R188.5" × 18" 5×114.3
Aston Martin Virage Coupe 5.92012235/45R188.5" × 18" 5×114.3
Aston Martin Virage Coupe 5.92011235/45R188.5" × 18" 5×114.3
Aston Martin Virage Saloon 5.31995235/45R188.5" × 18" 5×114.3
Aston Martin Virage Saloon 6.31995235/45R188.5" × 18" 5×114.3
Aston Martin Virage Saloon 5.31994235/45R188.5" × 18" 5×114.3
Aston Martin Zagato Coupe 5.9 V122019235/45R188.5" × 18" 5×114.3
Aston Martin Zagato Coupe 5.9 V122018235/45R188.5" × 18" 5×114.3
Aston Martin Zagato Coupe 5.9 V122017235/45R188.5" × 18" 5×114.3
Aston Martin Zagato Coupe 5.9 V122016235/45R188.5" × 18" 5×114.3
Aston Martin Zagato Coupe 5.9 V122015235/45R188.5" × 18" 5×114.3
Aston Martin Zagato Coupe 5.9 V122014235/45R188.5" × 18" 5×114.3
Aston Martin Zagato Coupe 5.9 V122013235/45R188.5" × 18" 5×114.3
Aston Martin Zagato Coupe 5.9 V122012235/45R188.5" × 18" 5×114.3
Audi A6 (4F2, C6) S6 quattro2011235/45R188" × 18" 5×112
Audi A6 (4F2, C6) RS6 quattro2010235/45R188" × 18" 5×112
Audi A6 (4F2, C6) S6 quattro2010235/45R188" × 18" 5×112
Audi A6 (4F2, C6) RS6 quattro2009235/45R188" × 18" 5×112
Audi A6 (4F2, C6) S6 quattro2009235/45R188" × 18" 5×112
Audi A6 (4F2, C6) RS6 quattro2008235/45R188" × 18" 5×112
Audi A6 (4F2, C6) S6 quattro2008235/45R188" × 18" 5×112
Audi A6 (4F2, C6) S6 quattro2007235/45R188" × 18" 5×112
Audi A6 (4F2, C6) S6 quattro2006235/45R188" × 18" 5×112
Audi A6 Avant (4F5, C6) RS6 quattro2010235/45R188" × 18" 5×112
Audi A6 Avant (4F5, C6) RS6 quattro2009235/45R188" × 18" 5×112
Audi A6 Avant (4F5, C6) RS6 quattro2008235/45R188" × 18" 5×112
Cadillac STS I 4.4 Kompressor2007235/45R187.5" × 18" 5×115
Cadillac STS I 4.4 Kompressor AWD2007235/45R187.5" × 18" 5×115
Cadillac STS I 4.62007235/45R187.5" × 18" 5×115
Cadillac STS I 4.4 Kompressor2006235/45R187.5" × 18" 5×115
Cadillac STS I 4.4 Kompressor AWD2006235/45R187.5" × 18" 5×115
Cadillac STS I 4.62006235/45R187.5" × 18" 5×115
Cadillac STS I 4.4 Kompressor2005235/45R187.5" × 18" 5×115
Cadillac STS I 4.4 Kompressor AWD2005235/45R187.5" × 18" 5×115
Cadillac STS I 4.62005235/45R187.5" × 18" 5×115
Cadillac STS I 4.6 AWD2005235/45R187.5" × 18" 5×115
Cadillac STS I 4.6 AWD2004235/45R187.5" × 18" 5×115
Ford GT 5.42022235/45R188" × 18" 5×114.3
Ford GT 5.42021235/45R188" × 18" 5×114.3
Ford GT 5.42020235/45R188" × 18" 5×114.3
Ford GT 5.42019235/45R188" × 18" 5×114.3
Ford GT 5.42018235/45R188" × 18" 5×114.3
Ford GT 5.42017235/45R188" × 18" 5×114.3
Ford GT 5.42016235/45R188" × 18" 5×114.3
Ford GT 5.42015235/45R188" × 18" 5×114.3
Ford GT 5.42014235/45R188" × 18" 5×114.3
Ford GT 5.42013235/45R188" × 18" 5×114.3
Ford GT 5.42012235/45R188" × 18" 5×114.3
Ford GT 5.42011235/45R188" × 18" 5×114.3
Ford GT 5.42010235/45R188" × 18" 5×114.3
Ford GT 5.42009235/45R188" × 18" 5×114.3
Ford GT 5.42008235/45R188" × 18" 5×114.3
Ford GT 5.42007235/45R188" × 18" 5×114.3
Ford GT 5.42006235/45R188" × 18" 5×114.3
Ford GT 5.42005235/45R188" × 18" 5×114.3
Ford GT 5.42004235/45R188" × 18" 5×114.3
Ford GT 5.42003235/45R188" × 18" 5×114.3
Honda Accord IX 2.42019235/45R188" × 18" 5×114.3
Honda Accord IX 3.5i2019235/45R188" × 18" 5×114.3
Honda Accord IX 2.42018235/45R188" × 18" 5×114.3
Honda Accord IX 3.5i2018235/45R188" × 18" 5×114.3
Honda Accord IX 2.42017235/45R188" × 18" 5×114.3
Honda Accord IX 3.5i2017235/45R188" × 18" 5×114.3
Honda Accord IX 2.42016235/45R188" × 18" 5×114.3
Honda Accord IX 3.5i2016235/45R188" × 18" 5×114.3
Honda Accord IX 2.42015235/45R188" × 18" 5×114.3
Honda Accord IX 3.5i2015235/45R188" × 18" 5×114.3
Honda Accord IX 2.42014235/45R188" × 18" 5×114.3
Honda Accord IX 3.5i2014235/45R188" × 18" 5×114.3
Honda Accord IX 3.5i2013235/45R188" × 18" 5×114.3
Honda Accord VIII (CU) 2.2 i-DTEC2015235/45R187.5" × 18" 5×114.3
Honda Accord VIII (CU) 2.2 i-DTEC2014235/45R187.5" × 18" 5×114.3
Honda Accord VIII (CU) 2.2 i-DTEC2013235/45R187.5" × 18" 5×114.3
Honda Accord VIII (CU) 2.2 i-DTEC2012235/45R187.5" × 18" 5×114.3
Honda Accord VIII (CU) 2.2 i-DTEC2011235/45R187.5" × 18" 5×114.3
Honda Accord VIII (CU) 2.2 i-DTEC2010235/45R187.5" × 18" 5×114.3
Honda Accord VIII (CU) 2.2 i-DTEC2009235/45R187.5" × 18" 5×114.3
Honda Accord VIII (CU) 2.2 i-DTEC2008235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2019235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2018235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2017235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2016235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2015235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2014235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2013235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2012235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2011235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2010235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2009235/45R187.5" × 18" 5×114.3
Honda Accord VIII Tourer 2.2 i-DTEC2008235/45R187.5" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 3502019235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 350 AWD2019235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 450h2019235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) F2019235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 3502018235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 350 AWD2018235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 450h2018235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) F2018235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 3502017235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 350 AWD2017235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 450h2017235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) F2017235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 3502016235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 350 AWD2016235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 450h2016235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) F2016235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 3502015235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 350 AWD2015235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 450h2015235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) F2015235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 3502014235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 350 AWD2014235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 450h2014235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 3502013235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 350 AWD2013235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 450h2013235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 3502012235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 350 AWD2012235/45R188" × 18" 5×114.3
Lexus GS IV (GRL1, GWL1) 450h2012235/45R188" × 18" 5×114.3
Lexus RC F2026235/45R187.5" × 18" 5×114.3
Lexus RC F2025235/45R187.5" × 18" 5×114.3
Lexus RC F2024235/45R187.5" × 18" 5×114.3
Lexus RC F2023235/45R187.5" × 18" 5×114.3
Lexus RC F2022235/45R187.5" × 18" 5×114.3
Lexus RC F2021235/45R187.5" × 18" 5×114.3
Lexus RC F2020235/45R187.5" × 18" 5×114.3
Lexus RC F2019235/45R187.5" × 18" 5×114.3
Lexus RC F2018235/45R187.5" × 18" 5×114.3
Lexus RC F2017235/45R187.5" × 18" 5×114.3
Lexus RC F2016235/45R187.5" × 18" 5×114.3
Lexus RC F2015235/45R187.5" × 18" 5×114.3
Lexus RC F2014235/45R187.5" × 18" 5×114.3
Peugeot RCZ Sport 1.6 16V2019235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 1502019235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 2702019235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2019235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 16V2018235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 1502018235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 2702018235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2018235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 16V2017235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 1502017235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 2702017235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2017235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 16V2016235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 1502016235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 2702016235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2016235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 16V2015235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 1502015235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 2702015235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2015235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 16V2014235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 1502014235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 2702014235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2014235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 16V2013235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 1502013235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 2702013235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2013235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 16V2012235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 1502012235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2012235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 16V2011235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 THP 1502011235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2011235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 1.6 16V2010235/45R187.5" × 18" 5×108
Peugeot RCZ Sport 2.0 HDi2010235/45R187.5" × 18" 5×108
Porsche Boxster GTS 3.42019235/45R186.5" × 17" 5×130
Porsche Boxster S 3.42019235/45R186.5" × 17" 5×130
Porsche Boxster GTS 3.42018235/45R186.5" × 17" 5×130
Porsche Boxster S 3.42018235/45R186.5" × 17" 5×130
Porsche Boxster GTS 3.42017235/45R186.5" × 17" 5×130
Porsche Boxster S 3.42017235/45R186.5" × 17" 5×130
Porsche Boxster GTS 3.42016235/45R186.5" × 17" 5×130
Porsche Boxster S 3.42016235/45R186.5" × 17" 5×130
Porsche Boxster GTS 3.42015235/45R186.5" × 17" 5×130
Porsche Boxster S 3.42015235/45R186.5" × 17" 5×130
Porsche Boxster GTS 3.42014235/45R186.5" × 17" 5×130
Porsche Boxster S 3.42014235/45R186.5" × 17" 5×130
Porsche Boxster S 3.42013235/45R186.5" × 17" 5×130
Porsche Boxster S 3.42012235/45R186.5" × 17" 5×130
Porsche Cayman 3.8 GT42019235/45R186.5" × 17" 5×130
Porsche Cayman GTS 3.42019235/45R186.5" × 17" 5×130
Porsche Cayman S 3.42019235/45R186.5" × 17" 5×130
Porsche Cayman 3.8 GT42018235/45R186.5" × 17" 5×130
Porsche Cayman GTS 3.42018235/45R186.5" × 17" 5×130
Porsche Cayman S 3.42018235/45R186.5" × 17" 5×130
Porsche Cayman 3.8 GT42017235/45R186.5" × 17" 5×130
Porsche Cayman GTS 3.42017235/45R186.5" × 17" 5×130
Porsche Cayman S 3.42017235/45R186.5" × 17" 5×130
Porsche Cayman 3.8 GT42016235/45R186.5" × 17" 5×130
Porsche Cayman GTS 3.42016235/45R186.5" × 17" 5×130
Porsche Cayman S 3.42016235/45R186.5" × 17" 5×130
Porsche Cayman 3.8 GT42015235/45R186.5" × 17" 5×130
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Tire size calculatorShow

Compare two tire sizes — diameter, speedometer error, and clearance change.

inchmm
Size 1Size 2DiffDiff(%)
Diameter25.0"25.4"0.5"1.89%
Width7.7"8.5"0.8"10.26%
Circumference78.4"79.9"1.5"1.86%
Profile height5.0"4.2"-0.7"-15.08%
Turnover per mile80779314-1.73%
Clearance--+0.2"-
25.0"
7.7"
old tire side
25.5"
8.5"
new tire side
old tire
15"
old rim
5.0"
new tire
17"
new rim
4.2"

Speedometer Error

(First wheel OEM size)

Reading20 mph30 mph40 mph50 mph60 mph70 mph80 mph90 mph
Actual20.430.540.750.961.171.281.491.6