265/70R18 vs 285/70R17
285/70R17 is 3.0 mm taller than 265/70R18 in overall diameter (+0.4%), within the usual 3% limit, so it can replace it where the wheels and clearance allow. With 285/70R17 fitted, the speedometer reads 100 km/h when you are doing 100.4 km/h.
Dimensions side by side
| 265/70R18 | 285/70R17 | |
|---|---|---|
| Overall diameter | 828 mm (32.6″) | 831 mm (32.7″) |
| Section width | 265 mm | 285 mm |
| Sidewall height | 186 mm | 200 mm |
| Rim | 18″ | 17″ |
| Revolutions per km | 384 | 383 |
| In stock | 22 tires from $187.00 | 6 tires from $255.00 |
What changes
- Overall diameter: 285/70R17 is 3.0 mm taller (+0.4%).
- Speedometer: reads 100 km/h at an actual 100.4 km/h with 285/70R17.
- 285/70R17 is 20 mm wider, so check clearance and the recommended rim width.
- Wheel size changes from 18″ to 17″: you need wheels in the new size.
- Choose a load index at least as high as the one on your door placard.
Vehicles that came with both sizes
Vehicles that use 265/70R18
Vehicles that use 285/70R17
See every alternate size for 265/70R18
Frequently asked questions
Can I use 285/70R17 instead of 265/70R18?
Usually, yes: 285/70R17 is within 3% of the overall diameter of 265/70R18 (+0.4%). 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 265/70R18 and 285/70R17?
With 285/70R17 instead of 265/70R18, the speedometer shows 100 km/h when you are actually doing 100.4 km/h.
Which vehicles came with both 265/70R18 and 285/70R17?
Both sizes were original equipment, on different trims or packages, on the 2004–2007 Nissan Titan.