255/40 R20 tire dimensions
Nominal geometric dimensions, calculated from the size marking.
Your results
712.0 mm
Overall diameter · 255/40 R20
Calculate to see all six dimensions.
What 255/40 R20 means
| Nominal section width | 255 mm |
|---|---|
| Sidewall-to-width ratio | 40% |
| Sidewall height | 102 mm |
| Construction | R — radial |
| Wheel bead-seat diameter | 20 inches |
| Overall diameter | 712 mm (28.0 in) |
| Rolling circumference | 2237 mm |
Load index, speed rating and approved wheel widths must also match the vehicle requirements. Calculated dimensions do not establish a safe replacement size. Actual rolling circumference changes with load, pressure, wear and tire construction.
Compare with another size →Vehicles with 255/40 R20 tires
Configurations in the catalogue recorded with this size. Equipment varies by market and trim.
- 2020 Mercedes-Benz S-Class 3 Petrol Turbo Automatic 9-speed 4WD →
- 2020 Mercedes-Benz S-Class 3 Petrol Turbo Automatic 9-speed RWD →
- 2020 Mercedes-Benz S-Class 3 Petrol Turbo PHEV Automatic 9-speed RWD →
- 2020 Mercedes-Benz S-Class 4 Petrol Turbo Automatic 9-speed 4WD →
- 2020 Mercedes-Benz S-Class 4 Petrol Turbo Automatic 9-speed RWD →
- 2020 Mercedes-Benz S-Class 6 Petrol Turbo Automatic 7-speed RWD →
- 2019 Mercedes-Benz S-Class 3 Petrol Turbo Automatic 9-speed 4WD →
- 2019 Mercedes-Benz S-Class 3 Petrol Turbo Automatic 9-speed RWD →
- 2019 Mercedes-Benz S-Class 3 Petrol Turbo PHEV Automatic 9-speed RWD →
- 2019 Mercedes-Benz S-Class 4 Petrol Turbo Automatic 9-speed 4WD →
- 2019 Mercedes-Benz S-Class 4 Petrol Turbo Automatic 9-speed FWD →
- 2019 Mercedes-Benz S-Class 6 Petrol Turbo Automatic 7-speed RWD →
- 2018 Mercedes-Benz S-Class 3 Petrol Turbo Automatic 9-speed 4WD →
- 2018 Mercedes-Benz S-Class 3 Petrol Turbo Automatic 9-speed RWD →
- 2018 Mercedes-Benz S-Class 4 Petrol Turbo Automatic 9-speed 4WD →
- 2018 Mercedes-Benz S-Class 4 Petrol Turbo Automatic 9-speed FWD →
- 2018 Mercedes-Benz S-Class 6 Petrol Turbo Automatic 7-speed RWD →
- 2017 Mercedes-Benz S-Class 3 Petrol Turbo PHEV Automatic 7-speed RWD →
- 2017 Mercedes-Benz S-Class 4.7 Petrol Turbo Automatic 9-speed 4WD →
- 2017 Mercedes-Benz S-Class 4.7 Petrol Turbo Automatic 9-speed RWD →
- 2017 Mercedes-Benz S-Class 5.5 Petrol Turbo Automatic 7-speed 4WD →
- 2017 Mercedes-Benz S-Class 6 Petrol Turbo Automatic 7-speed RWD →
- 2016 Mercedes-Benz S-Class 3 Petrol Turbo PHEV Automatic 7-speed RWD →
- 2016 Mercedes-Benz S-Class 4.7 Petrol Turbo Automatic 7-speed 4WD →
- 2016 Mercedes-Benz S-Class 4.7 Petrol Turbo Automatic 7-speed RWD →
- 2016 Mercedes-Benz S-Class 5.5 Petrol Turbo Automatic 7-speed 4WD →
- 2016 Mercedes-Benz S-Class 6 Petrol Turbo Automatic 7-speed RWD →
- 2015 Mercedes-Benz S-Class 3 Petrol Turbo PHEV Automatic 7-speed RWD →
- 2015 Mercedes-Benz S-Class 4.7 Petrol Turbo Automatic 7-speed 4WD →
- 2015 Mercedes-Benz S-Class 4.7 Petrol Turbo Automatic 7-speed RWD →
- 2015 Mercedes-Benz S-Class 5.5 Petrol Turbo Automatic 7-speed 4WD →
- 2015 Mercedes-Benz S-Class 6 Petrol Turbo Automatic 7-speed RWD →
- 2015 Porsche Panamera 3.6 Petrol Dual-clutch 7-speed AWD →
- 2015 Porsche Panamera 3.6 Petrol Dual-clutch 7-speed RWD →
- 2015 Porsche Panamera 3 Petrol Supercharged PHEV Dual-clutch 8-speed RWD →
- 2015 Porsche Panamera 3 Petrol Turbo Dual-clutch 7-speed AWD →
- 2015 Porsche Panamera 3 Petrol Turbo Dual-clutch 7-speed RWD →
- 2015 Porsche Panamera 4.8 Petrol Dual-clutch 7-speed AWD →
- 2015 Porsche Panamera 4.8 Petrol Turbo Dual-clutch 7-speed AWD →
- 2014 Mercedes-Benz S-Class 4.7 Petrol Turbo Automatic 7-speed 4WD →
- 2014 Mercedes-Benz S-Class 4.7 Petrol Turbo Automatic 7-speed RWD →
- 2014 Mercedes-Benz S-Class 5.5 Petrol Turbo Automatic 7-speed 4WD →
- 2014 Porsche Panamera 3.6 Petrol Dual-clutch 7-speed AWD →
- 2014 Porsche Panamera 3.6 Petrol Dual-clutch 7-speed RWD →
- 2014 Porsche Panamera 3 Petrol Supercharged PHEV Dual-clutch 8-speed RWD →
- 2014 Porsche Panamera 3 Petrol Turbo Dual-clutch 7-speed AWD →
- 2014 Porsche Panamera 3 Petrol Turbo Dual-clutch 7-speed RWD →
- 2014 Porsche Panamera 4.8 Petrol Dual-clutch 7-speed AWD →
- 2014 Porsche Panamera 4.8 Petrol Turbo Dual-clutch 7-speed AWD →
- 2013 Porsche Panamera 3.6 Petrol Automatic 7-speed 4WD →
- 2013 Porsche Panamera 3.6 Petrol Automatic 7-speed RWD →
- 2013 Porsche Panamera 3 Petrol Supercharged HEV Automatic 8-speed RWD →
- 2013 Porsche Panamera 4.8 Petrol Automatic 7-speed AWD →
- 2013 Porsche Panamera 4.8 Petrol Automatic 7-speed RWD →
- 2013 Porsche Panamera 4.8 Petrol Turbo Automatic 7-speed AWD →
- 2012 Porsche Panamera 3.6 Petrol Automatic 7-speed 4WD →
- 2012 Porsche Panamera 3.6 Petrol Automatic 7-speed RWD →
- 2012 Porsche Panamera 3 Petrol Supercharged HEV Automatic 8-speed RWD →
- 2012 Porsche Panamera 4.8 Petrol Automatic 7-speed AWD →
- 2012 Porsche Panamera 4.8 Petrol Automatic 7-speed RWD →