275/35R19 vs 235/35R20 tire size
235/35R20 vs 275/35R19, diameter
-0.4% shorter
- Speedometer
- 60.2 mph
- At a true 60 mph
- Diameter
- 26.48 in
- Was 26.58 in
- Revs per mile
- 762
- Was 759
- 3% guideline
- Within
Car built for 275/35R19, now on 235/35R20.
275/35R19 and 235/35R20
| Measure | 275/35R19 | 235/35R20 | Difference |
|---|---|---|---|
| Width, mm | 275 | 235 | -40 |
| Sidewall, % of width | 35 | 35 | 0 |
| Rim, in | 19 | 20 | +1 |
| Section height, in | 3.79 | 3.24 | -0.55 |
| Diameter, in | 26.58 | 26.48 | -0.10 (-0.4%) |
| Circumference, in | 83.5 | 83.2 | -0.3 |
| Revs per mile | 759 | 762 | +3 (+0.4%) |
Fitting 235/35R20 instead of 275/35R19
Within the usual 3% diameter guideline.
- Needs 20 in wheels.
- Shorter sidewall: 0.6 in less.
Cars with 275/35R19
Cars with 235/35R20
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