265/55R19 vs 275/50R20 tire size
275/50R20 vs 265/55R19, diameter
+1.1% taller
- Speedometer
- 59.3 mph
- At a true 60 mph
- Diameter
- 30.83 in
- Was 30.48 in
- Revs per mile
- 654
- Was 662
- 3% guideline
- Within
Car built for 265/55R19, now on 275/50R20.
265/55R19 and 275/50R20
| Measure | 265/55R19 | 275/50R20 | Difference |
|---|---|---|---|
| Width, mm | 265 | 275 | +10 |
| Sidewall, % of width | 55 | 50 | -5 |
| Rim, in | 19 | 20 | +1 |
| Section height, in | 5.74 | 5.41 | -0.32 |
| Diameter, in | 30.48 | 30.83 | +0.35 (+1.1%) |
| Circumference, in | 95.7 | 96.8 | +1.1 |
| Revs per mile | 662 | 654 | -8 (-1.1%) |
Fitting 275/50R20 instead of 265/55R19
Within the usual 3% diameter guideline.
- Needs 20 in wheels.
Cars with 265/55R19
Cars with 275/50R20
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