265/40R21 vs 275/35R22 tire size
275/35R22 vs 265/40R21, diameter
+0.8% taller
- Speedometer
- 59.5 mph
- At a true 60 mph
- Diameter
- 29.58 in
- Was 29.35 in
- Revs per mile
- 682
- Was 687
- 3% guideline
- Within
Car built for 265/40R21, now on 275/35R22.
265/40R21 and 275/35R22
| Measure | 265/40R21 | 275/35R22 | Difference |
|---|---|---|---|
| Width, mm | 265 | 275 | +10 |
| Sidewall, % of width | 40 | 35 | -5 |
| Rim, in | 21 | 22 | +1 |
| Section height, in | 4.17 | 3.79 | -0.38 |
| Diameter, in | 29.35 | 29.58 | +0.23 (+0.8%) |
| Circumference, in | 92.2 | 92.9 | +0.7 |
| Revs per mile | 687 | 682 | -5 (-0.8%) |
Fitting 275/35R22 instead of 265/40R21
Within the usual 3% diameter guideline.
- Needs 22 in wheels.
Cars with 265/40R21
Cars with 275/35R22
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