275/55R22 vs 295/50R22
Going from one to the other changes the overall height by -0.9 %. That is inside the 3% band, so it fits and the speedometer stays close.
Side by side
| Measure | 275/55R22 | 295/50R22 | Change |
|---|---|---|---|
| Overall height | 33.9" | 33.6" | -0.9 % |
| Sidewall | 5.95" | 5.81" | -2.5 % |
| Section width | 275 mm | 295 mm | +7.3 % |
| Circumference | 106.5" | 105.6" | -0.9 % |
| Revs per mile | 595 | 600 | +0.9 % |
| Axle height | 16.95" | 16.81" | -3.8 mm |
| Approved rim width | 7.5–10" | 8.5–11" | overlap 8.5–10" |
Both are approved on a rim 8.5" to 10" wide. If yours is in that band, this is a tire change and nothing else.
What the speedometer will say
Calibrated for 275/55R22. Fit 295/50R22 and the needle stops telling the truth.
| Needle says | You are doing | Out by |
|---|---|---|
| 30 mph | 29.7 mph | -0.3 |
| 50 mph | 49.6 mph | -0.4 |
| 70 mph | 69.4 mph | -0.6 |
| 90 mph | 89.2 mph | -0.8 |
The odometer drifts with it. Ten thousand miles on the dial are really 9,913 on the road, so it over-counts by 87. At a true 70 mph the first turns 694 times a minute, the second 700.
What drivers reported
275/55R22 carries 2 complaints. Nobody has filed one naming 295/50R22.