295/70R17 vs 35x12.50R17
35x12.50R17 is outside the ±3% rule as a replacement for 295/70R17: the diameter differs by +5.23%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
Side by side
| 295/70R17 | 35x12.50R17 | Difference | |
|---|---|---|---|
| Overall diameter | 33.26" | 35.00" | +1.74" (+5.23%) |
| Section width | 295 mm | 318 mm | +23 mm |
| Sidewall | 8.13" | 9.00" | +0.87" |
| Rim | 17" | 17" | same |
| Circumference | 104.5" | 110.0" | +5.5" |
| Revs per mile | 606 | 576 | -30 |
| Ride height | — | — | +0.87" |
| Speedometer reads 60 mph | 60.0 | 63.1 | +3.1 mph |
Speedometer and odometer
With 35x12.50R17 on a car calibrated for 295/70R17, the speedometer reads 57.0 mph when you're really doing 60, and the odometer under-counts by 5.2%.
| Speedo shows | Actual speed |
|---|---|
| 30 mph | 31.6 mph |
| 45 mph | 47.4 mph |
| 60 mph | 63.1 mph |
| 70 mph | 73.7 mph |
| 80 mph | 84.2 mph |
Other sizes close to 295/70R17
- 295/70R17 vs 265/70R17-4.97%
- 295/70R17 vs 275/70R18-0.31%
- 295/70R17 vs 285/70R17-1.66%
- 295/70R17 vs 235/80R17-4.38%
- 295/70R17 vs 315/70R17+3.31%
- 295/70R17 vs 255/75R17-3.61%
- 295/70R17 vs 33x12.50R18-0.78%
- 295/70R17 vs 285/75R17+1.72%
- 295/70R17 vs 33x12.50R17-0.78%
- 295/70R17 vs 275/70R17-3.31%
- 295/70R17 vs 255/80R17-0.59%
- 295/70R17 vs 305/70R17+1.66%
Questions
Can I replace 295/70R17 with 35x12.50R17?
35x12.50R17 is outside the ±3% rule as a replacement for 295/70R17: the diameter differs by +5.23%, so the speedometer, odometer and ABS calibration will be off and clearance needs checking.
What's the difference between 295/70R17 and 35x12.50R17?
35x12.50R17 is 1.74" taller and 23 mm wider; the sidewall is +0.87". At an indicated 60 mph you'd actually be doing 63.1 mph.
Will 35x12.50R17 fit on 295/70R17 wheels?
Both use a 17" rim, so the wheel diameter matches; check the wheel's width range for a 318 mm tire and the fender clearance.