Why is my new Volkswagen Passat so noisy?
A few months ago I bought a new Volkswagen Passat GT estate. The car drives well enough, but emits a loud drone on all but the smoothest of roads. It is on 18-inch alloys and the dealer cannot find any faults.
Asked on 10 July 2016 by gordon somerville

Must be the 18-inch 45 profile tyres. If you want it to be quieter, switch to 16-inch wheels, fit them with Michelin Cross Climate 55 profile tyres and run them at a lower pressure.
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