Comparison
295/35 R20 vs 225/45 R17
Compared to 295/35 R20, 225/45 R17 is 80.2 mm shorter and changes the speedometer reading by -11.22%.
Current Tire
295/35R20
New Tire
225/45R17
295/35 R20
225/45 R17
Ground line · scaled comparison
Not Recommended
Over 5% — speedometer & ABS may misread
Diameter change
-80.2 mm
-11.22%
Speedometer at 100
88.8 km/h
-11.22% error
Ground clearance
-40.1 mm
ride height delta
Sidewall change
-2.0 mm
revs/km: 501.8
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/compare/295-35-r20-vs-225-45-r17Detailed comparison
| Metric | 295/35 R20 | 225/45 R17 | Difference |
|---|---|---|---|
| Overall diameter | 714.5 mm | 634.3 mm | -80.2 mm (-11.22%) |
| Sidewall height | 103.3 mm | 101.3 mm | -2.0 mm |
| Circumference | 2.245 m | 1.993 m | -252.0 mm |
| Revs / km | 445.5 | 501.8 | +56.3 |
| Ground clearance | reference | -40.1 mm | -40.1 mm |
| Speedometer @ 100 km/h | 100.0 km/h | 88.8 km/h | -11.22 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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295/35 R20
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225/45 R17