205/45R18 vs 225/35R19 tire size
225/35R19 vs 205/45R18, diameter
-0.2% shorter
- Speedometer
- 60.1 mph
- At a true 60 mph
- Diameter
- 25.20 in
- Was 25.26 in
- Revs per mile
- 800
- Was 798
- 3% guideline
- Within
Car built for 205/45R18, now on 225/35R19.
205/45R18 and 225/35R19
| Measure | 205/45R18 | 225/35R19 | Difference |
|---|---|---|---|
| Width, mm | 205 | 225 | +20 |
| Sidewall, % of width | 45 | 35 | -10 |
| Rim, in | 18 | 19 | +1 |
| Section height, in | 3.63 | 3.10 | -0.53 |
| Diameter, in | 25.26 | 25.20 | -0.06 (-0.2%) |
| Circumference, in | 79.4 | 79.2 | -0.2 |
| Revs per mile | 798 | 800 | +2 (+0.2%) |
Fitting 225/35R19 instead of 205/45R18
Within the usual 3% diameter guideline.
- Needs 19 in wheels.
- 20 mm wider. Check rubbing at full lock.
- Shorter sidewall: 0.5 in less.
Cars with 225/35R19
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