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

Permalink for this comparison:

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Detailed comparison

Metric215/60 R16215/40 R17Difference
Overall diameter664.4 mm603.8 mm-60.6 mm (-9.12%)
Sidewall height129.0 mm86.0 mm-43.0 mm
Circumference2.087 m1.897 m-190.4 mm
Revs / km479.1527.2+48.1
Ground clearancereference-30.3 mm-30.3 mm
Speedometer @ 100 km/h100.0 km/h90.9 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

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Frequently asked questions

All 16″ sizes →All 17″ sizes →Speedometer error guide →Wheel offset guide →Plus-sizing guide →