265/70R16 vs 285/75R16: full comparison
| Measurement | 265/70R16 | 285/75R16 | Difference |
|---|---|---|---|
| Diameter | 30.61 in | 32.83 in | +2.22 in+7.3% |
| Section width | 10.43 in | 11.22 in | +0.79 in+7.5% |
| Sidewall height | 7.30 in | 8.42 in | +1.11 in+15.2% |
| Circumference | 96.15 in | 103.14 in | +6.99 in+7.3% |
| Revs per mile | 659 | 614 | −45−6.8% |
Speedometer: indicated vs actual speed
With 285/75R16 fitted where 265/70R16 was the stock/calibrated size:
| Speedometer shows | Actual speed | Difference |
|---|---|---|
| 20 mph | 21.5 mph | +1.5 mph |
| 30 mph | 32.2 mph | +2.2 mph |
| 40 mph | 42.9 mph | +2.9 mph |
| 50 mph | 53.6 mph | +3.6 mph |
| 55 mph | 59.0 mph | +4.0 mph |
| 60 mph | 64.4 mph | +4.4 mph |
| 65 mph | 69.7 mph | +4.7 mph |
| 70 mph | 75.1 mph | +5.1 mph |
| 75 mph | 80.5 mph | +5.5 mph |
| 80 mph | 85.8 mph | +5.8 mph |
Recalculate for a gear ratio change too →
Will 285/75R16 fit where 265/70R16 was?
At +7.3%, 285/75R16 is enough larger than 265/70R16 that it commonly needs some accommodation -- trimming plastic liners/fender edges, a spacer, or a leveling kit on trucks/SUVs going bigger. Check clearance at full steering lock and full suspension compression before buying.
Related tire size comparisons
- 265/75R16 vs 285/75R16
- 285/75R16 vs 305/70R16
- 255/85R16 vs 285/75R16
- 285/75R16 vs 315/75R16
- 245/75R16 vs 285/75R16
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 285/75R16 than 265/70R16?
285/75R16 is 2.22 in taller in overall diameter (+7.3%) and 0.79 in wider in section width (+7.5%) than 265/70R16.
Will 285/75R16 fit in place of 265/70R16?
At +7.3%, 285/75R16 is enough larger than 265/70R16 that it commonly needs some accommodation -- trimming plastic liners/fender edges, a spacer, or a leveling kit on trucks/SUVs going bigger. Check clearance at full steering lock and full suspension compression before buying.
Does swapping to 285/75R16 affect my speedometer?
With 285/75R16 fitted where 265/70R16 was calibrated, an indicated 60 mph is really about 64.4 mph. Beyond the ±3% guideline, plan to recalibrate the speedometer/odometer (with a programmer or at the dealer) for an accurate reading.
Does 285/75R16 change the ride height?
Yes -- half the diameter difference shows up at the axle, so 285/75R16 changes ride height by about 1.11 in higher compared with 265/70R16.
Do 265/70R16 and 285/75R16 use the same wheel (rim) diameter?
Yes -- both fit a 16 inch wheel, so only the tire itself changes, not the wheel.