Comparison
215/65 R15 vs 225/45 R17
Compared to 215/65 R15, 225/45 R17 is 26.2 mm shorter and changes the speedometer reading by -3.97%.
Current Tire
215/65R15
New Tire
225/45R17
215/65 R15
225/45 R17
Ground line · scaled comparison
Slight Difference
Within ±5% — usable, recalibration recommended
Diameter change
-26.2 mm
-3.97%
Speedometer at 100
96.0 km/h
-3.97% error
Ground clearance
-13.1 mm
ride height delta
Sidewall change
-38.5 mm
revs/km: 501.8
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/compare/215-65-r15-vs-225-45-r17Detailed comparison
| Metric | 215/65 R15 | 225/45 R17 | Difference |
|---|---|---|---|
| Overall diameter | 660.5 mm | 634.3 mm | -26.2 mm (-3.97%) |
| Sidewall height | 139.8 mm | 101.3 mm | -38.5 mm |
| Circumference | 2.075 m | 1.993 m | -82.3 mm |
| Revs / km | 481.9 | 501.8 | +19.9 |
| Ground clearance | reference | -13.1 mm | -13.1 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 96.0 km/h | -3.97 km/h |
Verdict: warning
Between 3% and 5% — noticeable speedometer drift; recalibration may be advisable.
Back to
215/65 R15
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225/45 R17