TR

Which cars use 255/50R21 tyres?

255/50R21 is a factory tyre size on 2 car models in our data. Its overall diameter is about 788.4 mm.

Size details

Overall diameter
788.4 mm
Section width
255 mm
Sidewall height
127.5 mm
Rim diameter
21″
Rolling circumference
2,477 mm
Revolutions per km
404

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

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Cars using 255/50R21

CarAxleVersions
BMW X5Front only3
BMW iXFront and rear3

Sizes that can replace 255/50R21

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.
255/55R20+0.0%
255/45R22−0.0%
255/40R23−0.0%
285/45R21+0.2%235/60R20+0.2%
285/40R22−0.2%
235/55R21+0.4%
285/50R20+0.6%
285/35R23−0.6%
275/50R20−0.7%

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