215/55R14 vs 195/65R14
Going from one to the other changes the overall height by +2.9 %. That is inside the 3% band, so it fits and the speedometer stays close.
Side by side
| Measure | 215/55R14 | 195/65R14 | Change |
|---|---|---|---|
| Overall height | 23.3" | 24.0" | +2.9 % |
| Sidewall | 4.66" | 4.99" | +7.2 % |
| Section width | 215 mm | 195 mm | -9.3 % |
| Circumference | 73.2" | 75.3" | +2.9 % |
| Revs per mile | 865 | 841 | -2.9 % |
| Axle height | 11.66" | 11.99" | +8.5 mm |
| Approved rim width | 6–8" | 5.5–7" | overlap 6–7" |
Both are approved on a rim 6" to 7" wide. If yours is in that band, this is a tire change and nothing else.
What the speedometer will say
Calibrated for 215/55R14. Fit 195/65R14 and the needle stops telling the truth.
| Needle says | You are doing | Out by |
|---|---|---|
| 30 mph | 30.9 mph | +0.9 |
| 50 mph | 51.4 mph | +1.4 |
| 70 mph | 72.0 mph | +2.0 |
| 90 mph | 92.6 mph | +2.6 |
The odometer drifts with it. Ten thousand miles on the dial are really 10,287 on the road, so it under-counts by 287. At a true 70 mph the first turns 1009 times a minute, the second 981.
What drivers reported
Nobody has filed a complaint naming 215/55R14. 195/65R14 carries 13.