245/75R17 vs 265/70R17
265/70R17 is 4.0 mm taller than 245/75R17 in overall diameter (+0.5%), within the usual 3% limit, so it can replace it where the wheels and clearance allow. With 265/70R17 fitted, the speedometer reads 100 km/h when you are doing 100.5 km/h.
Dimensions side by side
| 245/75R17 | 265/70R17 | |
|---|---|---|
| Overall diameter | 799 mm (31.5″) | 803 mm (31.6″) |
| Section width | 245 mm | 265 mm |
| Sidewall height | 184 mm | 186 mm |
| Rim | 17″ | 17″ |
| Revolutions per km | 398 | 396 |
| In stock | 7 tires from $216.00 | 42 tires from $178.00 |
What changes
- Overall diameter: 265/70R17 is 4.0 mm taller (+0.5%).
- Speedometer: reads 100 km/h at an actual 100.5 km/h with 265/70R17.
- 265/70R17 is 20 mm wider, so check clearance and the recommended rim width.
- Choose a load index at least as high as the one on your door placard.
Vehicles that came with both sizes
Vehicles that use 245/75R17
Vehicles that use 265/70R17
See every alternate size for 245/75R17
Frequently asked questions
Can I use 265/70R17 instead of 245/75R17?
Usually, yes: 265/70R17 is within 3% of the overall diameter of 245/75R17 (+0.5%). Use wheels of the right size and width, match or exceed the original load index, and check clearance at full steering lock.
How much does the speedometer change between 245/75R17 and 265/70R17?
With 265/70R17 instead of 245/75R17, the speedometer shows 100 km/h when you are actually doing 100.5 km/h.
Which vehicles came with both 245/75R17 and 265/70R17?
Both sizes were original equipment, on different trims or packages, on the 2011–2024 Chevrolet Silverado, 2011–2014, 2019–2024 GMC Sierra, 2005–2022 Ford F250, 2011–2022 Ford F350.