Comparison
225/50 R18 vs 225/60 R17
225/60 R17 drops the rim from 18 to 17 inches versus 225/50 R18, trading wheel size for taller sidewall. This alternative fitment trims or stretches rolling diameter by a small margin. Expect a slight but noticeable shift in indicated speed compared to the original tires. Extra sidewall absorbs impacts more readily — a sensible bias for daily commuting and broken pavement. Diameter change stays inside the conservative ±3% safety window — an OEM-safe fitment on most vehicles.
TakeTypical choice for a dedicated winter or off-road setup where extra sidewall pays off.
Quick math: 225/60 R17 is 19.6 mm taller than 225/50 R18, shifting the speedometer by +2.87%.
Current Tire
New Tire
Ground line · scaled comparison
Excellent Fit
Within ±3% — safe for daily driving
Diameter change
+19.6 mm
2.87%
Speedometer at 100
102.9 km/h
+2.87% error
Ground clearance
+9.8 mm
ride height delta
Sidewall change
+22.5 mm
revs/km: 453.6
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/compare/225-50-r18-vs-225-60-r17Detailed comparison
| Metric | 225/50 R18 | 225/60 R17 | Difference |
|---|---|---|---|
| Overall diameter | 682.2 mm | 701.8 mm | +19.6 mm (+2.87%) |
| Sidewall height | 112.5 mm | 135.0 mm | +22.5 mm |
| Circumference | 2.143 m | 2.205 m | +61.6 mm |
| Revs / km | 466.6 | 453.6 | -13.0 |
| Ground clearance | reference | +9.8 mm | +9.8 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 102.9 km/h | +2.87 km/h |
Verdict: excellent
Within ±3% — speedometer, ABS and traction control should behave normally.
Speedometer impact
At a true 100 km/h, your dashboard will read 102.9 km/h after switching to 225/60 R17 — a +2.87% offset. Use the speedometer error calculator to recheck for other indicated speeds, and the speedometer error guide for the full background.
Ground clearance change
The new tire's half-diameter changes ride height by +9.8 mm. Small differences are absorbed by suspension travel, but anything beyond ±10 mm can affect headlight aim, fender clearance and bump-stop margin. See the plus-sizing guide before committing.
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225/50 R18
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225/60 R17
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