205/50R17 vs 225/45R17 tire size
225/45R17 vs 205/50R17, diameter
-0.4% shorter
- Speedometer
- 60.2 mph
- At a true 60 mph
- Diameter
- 24.97 in
- Was 25.07 in
- Revs per mile
- 808
- Was 804
- 3% guideline
- Within
Car built for 205/50R17, now on 225/45R17.
205/50R17 and 225/45R17
| Measure | 205/50R17 | 225/45R17 | Difference |
|---|---|---|---|
| Width, mm | 205 | 225 | +20 |
| Sidewall, % of width | 50 | 45 | -5 |
| Rim, in | 17 | 17 | 0 |
| Section height, in | 4.04 | 3.99 | -0.05 |
| Diameter, in | 25.07 | 24.97 | -0.10 (-0.4%) |
| Circumference, in | 78.8 | 78.5 | -0.3 |
| Revs per mile | 804 | 808 | +3 (+0.4%) |
Fitting 225/45R17 instead of 205/50R17
Within the usual 3% diameter guideline.
- 20 mm wider. Check rubbing at full lock.
Cars with 205/50R17
Cars with 225/45R17
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