265/35R20 vs 265/40R19
265/40R19 is 1.0 mm taller than 265/35R20 in overall diameter (+0.1%), within the usual 3% limit, so it can replace it where the wheels and clearance allow. With 265/40R19 fitted, the speedometer reads 100 km/h when you are doing 100.1 km/h.
Dimensions side by side
| 265/35R20 | 265/40R19 | |
|---|---|---|
| Overall diameter | 694 mm (27.3″) | 695 mm (27.4″) |
| Section width | 265 mm | 265 mm |
| Sidewall height | 93 mm | 106 mm |
| Rim | 20″ | 19″ |
| Revolutions per km | 459 | 458 |
| In stock | 20 tires from $264.00 | 6 tires from $258.00 |
What changes
- Overall diameter: 265/40R19 is 1.0 mm taller (+0.1%).
- Speedometer: reads 100 km/h at an actual 100.1 km/h with 265/40R19.
- Wheel size changes from 20″ to 19″: 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 265/35R20
Vehicles that use 265/40R19
See every alternate size for 265/35R20
Frequently asked questions
Can I use 265/40R19 instead of 265/35R20?
Usually, yes: 265/40R19 is within 3% of the overall diameter of 265/35R20 (+0.1%). 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 265/35R20 and 265/40R19?
With 265/40R19 instead of 265/35R20, the speedometer shows 100 km/h when you are actually doing 100.1 km/h.
Which vehicles came with both 265/35R20 and 265/40R19?
Both sizes were original equipment, on different trims or packages, on the 2017–2024 Porsche 718, 2024 Mercedes-Benz C 63 S, 2021–2022 Ford Mustang, 2013–2019 BMW M6, 2018 Mercedes-Benz E63, 2013–2016 Porsche Boxster.