Buying a new Lexus IS - which wheels give the best ride?

I am purchasing a new Lexus 300H on standard wheels, which are 235/45/R18. However, I believe that I can have the car on the 225/50/R17 wheels - which would produce the smoothest and quietest ride.

Asked on 9 March 2015 by lexus ride

Answered by Honest John
Of these two the 225/50 R17s. But basic model IS300h model come on 205/55 R16 tyres and they absorb the bumps best of all.
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