265/60R20 vs 275/60R20, diameter
-1.4% shorter
- Speedometer
- 60.9 mph
- At a true 60 mph
- Diameter
- 32.52 in
- Was 32.99 in
- Revs per mile
- 620
- Was 611
- 3% guideline
- Within
Car built for 275/60R20, now on 265/60R20.
| Measure | 275/60R20 | 265/60R20 | Difference |
|---|---|---|---|
| Width, mm | 275 | 265 | -10 |
| Sidewall, % of width | 60 | 60 | 0 |
| Rim, in | 20 | 20 | 0 |
| Section height, in | 6.50 | 6.26 | -0.24 |
| Diameter, in | 32.99 | 32.52 | -0.47 (-1.4%) |
| Circumference, in | 103.6 | 102.2 | -1.5 |
| Revs per mile | 611 | 620 | +9 (+1.5%) |
Within the usual 3% diameter guideline.
Most common factory sizes
Number of trims using each size, 2020 to 2027.
| Size | Trims | Diameter, in | Revs per mile |
|---|---|---|---|
| 275/60R20 | 554 | 32.99 | 611 |
| 235/55R19 | 498 | 29.18 | 691 |
| 255/45R20 | 364 | 29.04 | 695 |
| 235/60R18 | 351 | 29.10 | 693 |
| 275/65R18 | 311 | 32.07 | 629 |
| 235/45R18 | 310 | 26.33 | 766 |
| 245/75R16 | 297 | 30.47 | 662 |
| 265/60R18 | 296 | 30.52 | 661 |
| 255/50R20 | 282 | 30.04 | 671 |
| 285/45R22 | 282 | 32.10 | 628 |
| 225/55R18 | 276 | 27.74 | 727 |
| 275/50R22 | 266 | 32.83 | 614 |
| 245/60R18 | 263 | 29.57 | 682 |
| 245/45R20 | 256 | 28.68 | 703 |
| 235/40R19 | 238 | 26.40 | 764 |
Popular comparisons
What this cannot tell you
Diameter within 3% is a common shop guideline, not a maker spec.
Load index, offset and clearance are not in this data.
- Two or more sources agree
- One source
- Model-level or estimate
- Sources differ