Fuel consumption with 19" wheels - 6SpeedOnline - Porsche Forum and Luxury Car Resource

May 2, 2006 | 11:29 AM

RCH

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Fuel consumption with 19" wheels

19" wheels obviously throw the Porsche computer as there is absolutely no reason why it should deteriorate by 10-15% just from changing from 18 to 19 inch wheels, comments very welcome please ?

May 2, 2006 | 11:48 AM

Ruiner

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It shouldn't matter, honestly, as long as you keep the same diameter/height. The only thing that I could think of would involve increased rotational mass.