Comparison

315/55 R16 vs 245/60 R18

Compared to 315/55 R16, 245/60 R18 is 1.7 mm shorter and changes the speedometer reading by -0.23%.

Current Tire

315/55R16

New Tire

245/60R18
315/55 R16
245/60 R18

Ground line · scaled comparison

Excellent Fit

Within ±3% — safe for daily driving

Diameter change

-1.7 mm

-0.23%

Speedometer at 100

99.8 km/h

-0.23% error

Ground clearance

-0.8 mm

ride height delta

Sidewall change

-26.3 mm

revs/km: 423.7

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Detailed comparison

Metric315/55 R16245/60 R18Difference
Overall diameter752.9 mm751.2 mm-1.7 mm (-0.23%)
Sidewall height173.3 mm147.0 mm-26.3 mm
Circumference2.365 m2.360 m-5.3 mm
Revs / km422.8423.7+1.0
Ground clearancereference-0.8 mm-0.8 mm
Speedometer @ 100 km/h100.0 km/h99.8 km/h-0.23 km/h

Verdict: excellent

Within ±3% — speedometer, ABS and traction control should behave normally.

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315/55 R16

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245/60 R18

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Frequently asked questions

All 16″ sizes →All 18″ sizes →Speedometer error guide →Wheel offset guide →Plus-sizing guide →