295/45R20 vs 265/40R22
265/40R22 is 0.11 in (2.7 mm) shorter than 295/45R20, a −0.35% diameter difference. With the speedometer set for 295/45R20, an indicated 60 mph is 59.8 mph on 265/40R22.
Is this a safe swap?
Diameter difference −0.35%: under 1%
By overall diameter alone, 265/40R22 is a near match for 295/45R20; the speedometer changes by less than 1%. This check uses diameter only. It does not assess load index, speed rating, wheel width or clearance.
| Measurement | 295/45R20 | 265/40R22 | Difference | % diff |
|---|---|---|---|---|
| Overall diameter | 30.45 in (773.5 mm) | 30.35 in (770.8 mm) | −0.11 in (−2.7 mm) | −0.35% |
| Sidewall height | 5.23 in (132.8 mm) | 4.17 in (106.0 mm) | −1.05 in (−26.7 mm) | −20.15% |
| Section width | 11.61 in (295.0 mm) | 10.43 in (265.0 mm) | −1.18 in (−30.0 mm) | −10.17% |
| Circumference | 95.67 in (2,430.0 mm) | 95.34 in (2,421.5 mm) | −0.33 in (−8.5 mm) | −0.35% |
| Revolutions per mile | 662 | 665 | +2 | +0.35% |
| Indicated | Actual on 295/45R20 | Actual on 265/40R22 | Difference |
|---|---|---|---|
| 30 mph | 30.0 mph | 29.9 mph | −0.1 mph |
| 60 mph | 60.0 mph | 59.8 mph | −0.2 mph |
| 75 mph | 75.0 mph | 74.7 mph | −0.3 mph |
Ride-height change: 265/40R22 lowers the vehicle by 0.05 in (1.4 mm) at the axle (half the −2.7 mm diameter difference).
265/40R22 is 0.11 in shorter than 295/45R20 and 30 mm narrower, a 0.35% difference in overall diameter.
With the speedometer calibrated for 295/45R20, an indicated 60 mph is actually 59.8 mph on 265/40R22, and revolutions per mile change from 662 to 665.
265/40R22 mounts on a 22-inch wheel, a plus-2 fitment from the 20-inch wheel of 295/45R20.
Size pages
Other comparisons with 295/45R20
- 265/60R18 vs 295/45R20
- 245/65R18 vs 295/45R20
- 235/60R19 vs 295/45R20
- 265/55R19 vs 295/45R20
- 295/40R20 vs 295/45R20
- 275/45R20 vs 295/45R20
- 285/45R20 vs 295/45R20
- 235/55R20 vs 295/45R20
Other comparisons with 265/40R22
- 255/50R20 vs 265/40R22
- 285/45R20 vs 265/40R22
- 235/55R20 vs 265/40R22
- 265/50R20 vs 265/40R22
- 245/55R20 vs 265/40R22
- 285/40R21 vs 265/40R22
- 255/45R21 vs 265/40R22
- 295/40R21 vs 265/40R22
Source: Calculated from standard tire geometry formulas. Verified . How these numbers are calculated.