Comparison
295/30 R22 vs 315/30 R22
315/30 R22 is a wider variation of 295/30 R22 on the same 22-inch rim, adding 20 mm of tread footprint. This setup shifts overall diameter slightly from OEM. Extra width broadens the footprint for more grip, but check inner liner and strut clearance before fitting.
Expect a slight but noticeable shift in indicated speed compared to the original tires. Overall the swap sits inside the safe ±3% diameter window, so ABS, traction control and gearing behave normally.
TakeReasonable performance-leaning swap as long as fender and suspension clearance check out.
Quick math: 315/30 R22 is 12.0 mm taller than 295/30 R22, shifting the speedometer by +1.63%.
Current Tire
New Tire
Ground line · scaled comparison
Excellent Fit
Within ±3% — safe for daily driving
Diameter change
+12.0 mm
1.63%
Speedometer at 100
101.6 km/h
+1.63% error
Ground clearance
+6.0 mm
ride height delta
Sidewall change
+6.0 mm
revs/km: 425.7
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/compare/295-30-r22-vs-315-30-r22Detailed comparison
| Metric | 295/30 R22 | 315/30 R22 | Difference |
|---|---|---|---|
| Overall diameter | 735.8 mm | 747.8 mm | +12.0 mm (+1.63%) |
| Sidewall height | 88.5 mm | 94.5 mm | +6.0 mm |
| Circumference | 2.312 m | 2.349 m | +37.7 mm |
| Revs / km | 432.6 | 425.7 | -6.9 |
| Ground clearance | reference | +6.0 mm | +6.0 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 101.6 km/h | +1.63 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 101.6 km/h after switching to 315/30 R22 — a +1.63% 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 +6.0 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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295/30 R22
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315/30 R22
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