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I concur that there is no difference in MPGs. However, I rarely drive around town in P500 b/c I'm more likely to rear end someone on a hard take off or just get a speeding ticket. On the fwy, its all P500 all the time...unless I'm commuting and there is traffic. Again, don't want to rear end some honda civic in traffic...hahaha
Same here. I never gave the fuel economy much thought but P500S in traffic is pretty agressive. The M button is so much fun when you don't use it all the time too.
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