Tyre Noise Problem - Insignia Tourer

I just purchased a year old Insignia Tourer SE diesel auto. Its done 8,500 miles and is fitted with Bridgestone Potenza 245/45/R18's. The road noise inside is quite dreadful. Any known problems with these tyres or this tyre/car combo? Any suggestions?

Asked on 11 November 2011 by D Kershaw

Answered by Honest John
It doesn't need to be on 18s. Consider switching to 16s or 17s with Michelin Energy Saver on the 16s or Michelin Pilot Primacy HP, Michelin Primacy 3 or Goodyear Excellence on the 17s.
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