245/40R19 vs 275/35R19 tire size
275/35R19 vs 245/40R19, diameter
-0.5% shorter
- Speedometer
- 60.3 mph
- At a true 60 mph
- Diameter
- 26.58 in
- Was 26.72 in
- Revs per mile
- 759
- Was 755
- 3% guideline
- Within
Car built for 245/40R19, now on 275/35R19.
245/40R19 and 275/35R19
| Measure | 245/40R19 | 275/35R19 | Difference |
|---|---|---|---|
| Width, mm | 245 | 275 | +30 |
| Sidewall, % of width | 40 | 35 | -5 |
| Rim, in | 19 | 19 | 0 |
| Section height, in | 3.86 | 3.79 | -0.07 |
| Diameter, in | 26.72 | 26.58 | -0.14 (-0.5%) |
| Circumference, in | 83.9 | 83.5 | -0.4 |
| Revs per mile | 755 | 759 | +4 (+0.5%) |
Fitting 275/35R19 instead of 245/40R19
Within the usual 3% diameter guideline.
- 30 mm wider. Check rubbing at full lock.
Cars with 245/40R19
Cars with 275/35R19
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