TR

Which cars use 305/40R20 tyres?

305/40R20 is a factory tyre size on 1 car models in our data. Its overall diameter is about 752.0 mm.

Size details

Overall diameter
752.0 mm
Section width
305 mm
Sidewall height
122.0 mm
Rim diameter
20″
Rolling circumference
2,362 mm
Revolutions per km
423

Values are calculated from the size. Real tyres differ by a few millimetres between brands.

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Cars using 305/40R20

CarAxleVersions
BMW X6Rear only3

Sizes that can replace 305/40R20

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.
335/40R19−0.2%
325/30R22+0.2%
315/35R21+0.3%
295/45R19−0.5%
315/30R22−0.6%
305/45R19+0.7%
305/35R21−0.7%
285/35R22+0.8%
335/30R22+1.0%
295/40R20−1.1%

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