Which cars use 245/40R18 tyres?
245/40R18 is a factory tyre size on 2 car models in our data. Its overall diameter is about 653.2 mm.
Size details
- Overall diameter
- 653.2 mm
- Section width
- 245 mm
- Sidewall height
- 98.0 mm
- Rim diameter
- 18″
- Rolling circumference
- 2,052 mm
- Revolutions per km
- 487
Values are calculated from the size. Real tyres differ by a few millimetres between brands.
Cars using 245/40R18
| Car | Axle | Versions |
|---|---|---|
| Mercedes-Benz C | Rear only | 1 |
| Audi A4 | Front and rear | 1 |
Sizes that can replace 245/40R18
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.
245/35R19+0.1%
245/45R17−0.1%
275/40R17−0.2%
245/30R20+0.3%
275/35R18−0.5%
225/50R17+0.6%235/30R20−0.6%
275/30R19−0.9%
235/35R19−0.9%225/45R18+1.0%