Comparison
225/35 R19 vs 255/35 R18
Compared to 225/35 R19, 255/35 R18 is 4.4 mm shorter and changes the speedometer reading by -0.69%.
Current Tire
225/35R19
New Tire
255/35R18
225/35 R19
255/35 R18
Ground line · scaled comparison
Excellent Fit
Within ±3% — safe for daily driving
Diameter change
-4.4 mm
-0.69%
Speedometer at 100
99.3 km/h
-0.69% error
Ground clearance
-2.2 mm
ride height delta
Sidewall change
+10.5 mm
revs/km: 500.7
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/compare/225-35-r19-vs-255-35-r18Detailed comparison
| Metric | 225/35 R19 | 255/35 R18 | Difference |
|---|---|---|---|
| Overall diameter | 640.1 mm | 635.7 mm | -4.4 mm (-0.69%) |
| Sidewall height | 78.8 mm | 89.3 mm | +10.5 mm |
| Circumference | 2.011 m | 1.997 m | -13.8 mm |
| Revs / km | 497.3 | 500.7 | +3.4 |
| Ground clearance | reference | -2.2 mm | -2.2 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 99.3 km/h | -0.69 km/h |
Verdict: excellent
Within ±3% — speedometer, ABS and traction control should behave normally.
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225/35 R19
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255/35 R18