Comparison
255/35 R18 vs 205/55 R16
Compared to 255/35 R18, 205/55 R16 is 3.8 mm shorter and changes the speedometer reading by -0.60%.
Current Tire
255/35R18
New Tire
205/55R16
255/35 R18
205/55 R16
Ground line · scaled comparison
Excellent Fit
Within ±3% — safe for daily driving
Diameter change
-3.8 mm
-0.60%
Speedometer at 100
99.4 km/h
-0.60% error
Ground clearance
-1.9 mm
ride height delta
Sidewall change
+23.5 mm
revs/km: 503.7
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/compare/255-35-r18-vs-205-55-r16Detailed comparison
| Metric | 255/35 R18 | 205/55 R16 | Difference |
|---|---|---|---|
| Overall diameter | 635.7 mm | 631.9 mm | -3.8 mm (-0.60%) |
| Sidewall height | 89.3 mm | 112.8 mm | +23.5 mm |
| Circumference | 1.997 m | 1.985 m | -11.9 mm |
| Revs / km | 500.7 | 503.7 | +3.0 |
| Ground clearance | reference | -1.9 mm | -1.9 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 99.4 km/h | -0.60 km/h |
Verdict: excellent
Within ±3% — speedometer, ABS and traction control should behave normally.
Back to
255/35 R18
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205/55 R16