palenimbus:
Can anyone explain to me why the Panamera is so underpowered? 500hp for a car coming out in 2009? That means its weaker than the M5, the AMGs and the RS6 -- all of which are fairly old (except the RS6), I was expecting the top of the line model to have at least 600hp, especially considering the weight.
Did you forget about the power kit? 50hp more for only $25k  Smiley

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Happy Driving