[QUOTE=Dirk McGurck;3480892]Easy way to make it lighter is to not make it larger. Many cars grow in dimensions but remain the same weight these days, or only get a little larger. Make the Z the same size, and I doubt the weight would change. The Q60 is a foot longer than the Z, so lighter should be easier.[/QUOTE
In a perfect world they could make a Z on its own platform instead of sharing its components with other cars. I read somewhere that they overbuilt the chasis so it could share its FM platform(QX50,g37) which would makes sense why its a little heavier.
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