Comparison
225/55 R18 vs 225/35 R19
Compared to 225/55 R18, 225/35 R19 is 64.6 mm shorter and changes the speedometer reading by -9.17%.
Current Tire
225/55R18
New Tire
225/35R19
225/55 R18
225/35 R19
Ground line · scaled comparison
Not Recommended
Over 5% — speedometer & ABS may misread
Diameter change
-64.6 mm
-9.17%
Speedometer at 100
90.8 km/h
-9.17% error
Ground clearance
-32.3 mm
ride height delta
Sidewall change
-45.0 mm
revs/km: 497.3
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/compare/225-55-r18-vs-225-35-r19Detailed comparison
| Metric | 225/55 R18 | 225/35 R19 | Difference |
|---|---|---|---|
| Overall diameter | 704.7 mm | 640.1 mm | -64.6 mm (-9.17%) |
| Sidewall height | 123.8 mm | 78.8 mm | -45.0 mm |
| Circumference | 2.214 m | 2.011 m | -202.9 mm |
| Revs / km | 451.7 | 497.3 | +45.6 |
| Ground clearance | reference | -32.3 mm | -32.3 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 90.8 km/h | -9.17 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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225/55 R18
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225/35 R19