Tyres - can I change size?
I have an Astra 1.4 Turbo Limited Edition on 235/40/19 tyres. Can I change the tyres to 235/50/19 without affecting performance etc. Would my insurer need to be told?
Asked on 16 November 2016 by markcastle

No. To fit deeper profile tyres you need to go down a wheel size.
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