Comparison
325/55 R16 vs 245/60 R18
Compared to 325/55 R16, 245/60 R18 is 12.7 mm shorter and changes the speedometer reading by -1.66%.
Current Tire
325/55R16
New Tire
245/60R18
325/55 R16
245/60 R18
Ground line · scaled comparison
Excellent Fit
Within ±3% — safe for daily driving
Diameter change
-12.7 mm
-1.66%
Speedometer at 100
98.3 km/h
-1.66% error
Ground clearance
-6.3 mm
ride height delta
Sidewall change
-31.8 mm
revs/km: 423.7
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/compare/325-55-r16-vs-245-60-r18Detailed comparison
| Metric | 325/55 R16 | 245/60 R18 | Difference |
|---|---|---|---|
| Overall diameter | 763.9 mm | 751.2 mm | -12.7 mm (-1.66%) |
| Sidewall height | 178.8 mm | 147.0 mm | -31.8 mm |
| Circumference | 2.400 m | 2.360 m | -39.9 mm |
| Revs / km | 416.7 | 423.7 | +7.0 |
| Ground clearance | reference | -6.3 mm | -6.3 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 98.3 km/h | -1.66 km/h |
Verdict: excellent
Within ±3% — speedometer, ABS and traction control should behave normally.
Back to
325/55 R16
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245/60 R18