The prices are about the same right now and there are quite a few of both supercars offered for sale. I love the beastly 507hp M5 Ferrari killer; but the 420hp RS4 is no dog – lighter and Quattro awd is nice for winter in Long Island. I’m torn.
Great problem to have. I love the 06 M5, the wheels on it alone make me drool. Audi is also great. it all comes down to whether you want that snob value or that understated power? I would go with the snob value of the m5.
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