Comparison
215/60 R16 vs 215/40 R17
Compared to 215/60 R16, 215/40 R17 is 60.6 mm shorter and changes the speedometer reading by -9.12%.
Current Tire
215/60R16
New Tire
215/40R17
215/60 R16
215/40 R17
Ground line · scaled comparison
Not Recommended
Over 5% — speedometer & ABS may misread
Diameter change
-60.6 mm
-9.12%
Speedometer at 100
90.9 km/h
-9.12% error
Ground clearance
-30.3 mm
ride height delta
Sidewall change
-43.0 mm
revs/km: 527.2
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/compare/215-60-r16-vs-215-40-r17Detailed comparison
| Metric | 215/60 R16 | 215/40 R17 | Difference |
|---|---|---|---|
| Overall diameter | 664.4 mm | 603.8 mm | -60.6 mm (-9.12%) |
| Sidewall height | 129.0 mm | 86.0 mm | -43.0 mm |
| Circumference | 2.087 m | 1.897 m | -190.4 mm |
| Revs / km | 479.1 | 527.2 | +48.1 |
| Ground clearance | reference | -30.3 mm | -30.3 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 90.9 km/h | -9.12 km/h |
Verdict: danger
Over 5% diameter difference — likely to affect speedometer accuracy, ABS calibration and gearing. Not recommended without professional review.
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215/60 R16
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215/40 R17