Comparison
265/55 R16 vs 215/40 R17
Compared to 265/55 R16, 215/40 R17 is 94.1 mm shorter and changes the speedometer reading by -13.48%.
Current Tire
265/55R16
New Tire
215/40R17
265/55 R16
215/40 R17
Ground line · scaled comparison
Not Recommended
Over 5% — speedometer & ABS may misread
Diameter change
-94.1 mm
-13.48%
Speedometer at 100
86.5 km/h
-13.48% error
Ground clearance
-47.1 mm
ride height delta
Sidewall change
-59.8 mm
revs/km: 527.2
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/compare/265-55-r16-vs-215-40-r17Detailed comparison
| Metric | 265/55 R16 | 215/40 R17 | Difference |
|---|---|---|---|
| Overall diameter | 697.9 mm | 603.8 mm | -94.1 mm (-13.48%) |
| Sidewall height | 145.8 mm | 86.0 mm | -59.8 mm |
| Circumference | 2.193 m | 1.897 m | -295.6 mm |
| Revs / km | 456.1 | 527.2 | +71.1 |
| Ground clearance | reference | -47.1 mm | -47.1 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 86.5 km/h | -13.48 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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265/55 R16
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215/40 R17