Which cars use 245/40R21 tyres?
245/40R21 is a factory tyre size on 2 car models in our data. Its overall diameter is about 729.4 mm.
Size details
- Overall diameter
- 729.4 mm
- Section width
- 245 mm
- Sidewall height
- 98.0 mm
- Rim diameter
- 21″
- Rolling circumference
- 2,291 mm
- Revolutions per km
- 436
Values are calculated from the size. Real tyres differ by a few millimetres between brands.
Cars using 245/40R21
| Car | Axle | Versions |
|---|---|---|
| BMW X4 | Front only | 4 |
| Volvo XC40 | Front and rear | 1 |
Sizes that can replace 245/40R21
This is a calculation, not a factory approval. The list shows sizes whose overall diameter is within ±3%. Check your door label, certificate of conformity (CoC) or tyre shop before fitting.
245/45R20−0.1%
245/35R22+0.1%
275/40R20−0.2%245/30R23+0.2%
275/35R21−0.5%225/50R20+0.5%
235/30R23−0.6%
275/30R22−0.8%
235/35R22−0.8%
225/45R21+0.9%