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Loud little cars

Can we have decibel comparisons at 30 & 70MPH on all new cars?
The extra noise in smaller cars is exhausting over longer journeys and with a radio at a level we can hear at speed I wonder just how high the noise level is on our flappers?
I have a Jazz & 5 series, what a difference, is it always down to the ticket price?

Asked on 17 May 2011 by Dicksie from Harpenden

Answered by Honest John
Mostly down to the gearing.
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