195/60R13 vs 175/70R13
Going from one to the other changes the overall height by +1.9 %. That is inside the 3% band, so it fits and the speedometer stays close.
Side by side
| Measure | 195/60R13 | 175/70R13 | Change |
|---|---|---|---|
| Overall height | 22.2" | 22.6" | +1.9 % |
| Sidewall | 4.61" | 4.82" | +4.7 % |
| Section width | 195 mm | 175 mm | -10.3 % |
| Circumference | 69.8" | 71.1" | +1.9 % |
| Revs per mile | 908 | 891 | -1.9 % |
| Axle height | 11.11" | 11.32" | +5.5 mm |
| Approved rim width | 5.5–7" | 5–6" | overlap 5.5–6" |
Both are approved on a rim 5.5" to 6" wide. If yours is in that band, this is a tire change and nothing else.
What the speedometer will say
Calibrated for 195/60R13. Fit 175/70R13 and the needle stops telling the truth.
| Needle says | You are doing | Out by |
|---|---|---|
| 30 mph | 30.6 mph | +0.6 |
| 50 mph | 51.0 mph | +1.0 |
| 70 mph | 71.4 mph | +1.4 |
| 90 mph | 91.8 mph | +1.8 |
The odometer drifts with it. Ten thousand miles on the dial are really 10,195 on the road, so it under-counts by 195. At a true 70 mph the first turns 1059 times a minute, the second 1039.
What drivers reported
Nobody has filed a complaint naming 195/60R13. 175/70R13 carries 56.