255/40R18
All technical dimensions and alternatives for this tire size.
| Technical Specs | |
|---|---|
| Diameter | 661.2 mm (26.03 in) |
| Section Width | 255 mm (10.04 in) |
| Sidewall Height | 102 mm |
| Circumference | 2077.2 mm |
| Revs / km | 481.4 |
| Rim Diameter (in) | R18 (457.2 mm) |
Alternative sizes (±3%)
Equivalents on other rim diameters
Vehicles using this size
Calculations use nominal dimensions; actual measurements can vary ±1–2% by manufacturer and model. Always follow your owner's manual and door-jamb placard.
255/40R18