Comparison
245/60 R18 vs 315/30 R22
Compared to 245/60 R18, 315/30 R22 is 3.4 mm shorter and changes the speedometer reading by -0.45%.
Current Tire
245/60R18
New Tire
315/30R22
245/60 R18
315/30 R22
Ground line · scaled comparison
Excellent Fit
Within ±3% — safe for daily driving
Diameter change
-3.4 mm
-0.45%
Speedometer at 100
99.5 km/h
-0.45% error
Ground clearance
-1.7 mm
ride height delta
Sidewall change
-52.5 mm
revs/km: 425.7
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/compare/245-60-r18-vs-315-30-r22Detailed comparison
| Metric | 245/60 R18 | 315/30 R22 | Difference |
|---|---|---|---|
| Overall diameter | 751.2 mm | 747.8 mm | -3.4 mm (-0.45%) |
| Sidewall height | 147.0 mm | 94.5 mm | -52.5 mm |
| Circumference | 2.360 m | 2.349 m | -10.7 mm |
| Revs / km | 423.7 | 425.7 | +1.9 |
| Ground clearance | reference | -1.7 mm | -1.7 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 99.5 km/h | -0.45 km/h |
Verdict: excellent
Within ±3% — speedometer, ABS and traction control should behave normally.
Back to
245/60 R18
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315/30 R22