285/40R23 vs 285/45R22
285/45R22 is 3.0 mm taller than 285/40R23 in overall diameter (+0.4%), within the usual 3% limit, so it can replace it where the wheels and clearance allow. With 285/45R22 fitted, the speedometer reads 100 km/h when you are doing 100.4 km/h.
Dimensions side by side
| 285/40R23 | 285/45R22 | |
|---|---|---|
| Overall diameter | 812 mm (32.0″) | 815 mm (32.1″) |
| Section width | 285 mm | 285 mm |
| Sidewall height | 114 mm | 128 mm |
| Rim | 23″ | 22″ |
| Revolutions per km | 392 | 391 |
| In stock | 4 tires from $676.00 | 50 tires from $194.00 |
What changes
- Overall diameter: 285/45R22 is 3.0 mm taller (+0.4%).
- Speedometer: reads 100 km/h at an actual 100.4 km/h with 285/45R22.
- Wheel size changes from 23″ to 22″: 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 285/40R23
Vehicles that use 285/45R22
See every alternate size for 285/40R23
Frequently asked questions
Can I use 285/45R22 instead of 285/40R23?
Usually, yes: 285/45R22 is within 3% of the overall diameter of 285/40R23 (+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 285/40R23 and 285/45R22?
With 285/45R22 instead of 285/40R23, the speedometer shows 100 km/h when you are actually doing 100.4 km/h.
Which vehicles came with both 285/40R23 and 285/45R22?
Both sizes were original equipment, on different trims or packages, on the 2023–2024 Land Rover Range Rover Sport, 2020–2024 Mercedes-Benz GLS450, 2020–2024 Mercedes-Benz GLS580, 2021–2024 Mercedes-Benz GLS63.