265/70R17 vs 265/75R16: full comparison
| Measurement | 265/70R17 | 265/75R16 | Difference |
|---|---|---|---|
| Diameter | 31.61 in | 31.65 in | +0.04 in+0.1% |
| Section width | 10.43 in | 10.43 in | 0.00 in0.0% |
| Sidewall height | 7.30 in | 7.82 in | +0.52 in+7.1% |
| Circumference | 99.29 in | 99.43 in | +0.14 in+0.1% |
| Revs per mile | 638 | 637 | −1−0.1% |
Speedometer: indicated vs actual speed
With 265/75R16 fitted where 265/70R17 was the stock/calibrated size:
| Speedometer shows | Actual speed | Difference |
|---|---|---|
| 20 mph | 20.0 mph | 0.0 mph |
| 30 mph | 30.0 mph | 0.0 mph |
| 40 mph | 40.1 mph | +0.1 mph |
| 50 mph | 50.1 mph | +0.1 mph |
| 55 mph | 55.1 mph | +0.1 mph |
| 60 mph | 60.1 mph | +0.1 mph |
| 65 mph | 65.1 mph | +0.1 mph |
| 70 mph | 70.1 mph | +0.1 mph |
| 75 mph | 75.1 mph | +0.1 mph |
| 80 mph | 80.1 mph | +0.1 mph |
Recalculate for a gear ratio change too →
Will 265/75R16 fit where 265/70R17 was?
265/70R17 and 265/75R16 are essentially the same overall height (+0.1%), so this is usually a straightforward swap as far as fitment goes -- the main thing to check is wheel width and offset, not diameter.
Related tire size comparisons
- 265/70R17 vs 285/70R17
- 245/75R17 vs 265/70R17
- 265/65R17 vs 265/70R17
- 245/70R17 vs 265/70R17
- 255/75R17 vs 265/70R17
More tire tools
- Tire size comparison tool: compare any two sizes yourself, including flotation sizes.
- Tire size calculator: full dimensions of one size, plus every equivalent size within 3%.
- Speedometer calculator: true speed after a tire or gear ratio change.
Frequently asked questions
How much bigger is 265/75R16 than 265/70R17?
265/75R16 is 0.04 in taller in overall diameter (+0.1%) and 0.00 in the same width as in section width (0.0%) than 265/70R17.
Will 265/75R16 fit in place of 265/70R17?
265/70R17 and 265/75R16 are essentially the same overall height (+0.1%), so this is usually a straightforward swap as far as fitment goes -- the main thing to check is wheel width and offset, not diameter.
Does swapping to 265/75R16 affect my speedometer?
Since the two sizes are almost the same height, your speedometer will read essentially correctly either way. That small a difference is within the ±3% most shops treat as close enough not to recalibrate.
Does 265/75R16 change the ride height?
Yes -- half the diameter difference shows up at the axle, so 265/75R16 changes ride height by about 0.02 in higher compared with 265/70R17.
Do 265/70R17 and 265/75R16 use the same wheel (rim) diameter?
No -- 265/70R17 needs a 17 inch wheel and 265/75R16 needs a 16 inch wheel, so this comparison also assumes (or requires) a wheel change.