What is a better used car '06 BMW M5 or '07 Audi RS4?

Templar

New member
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.
 
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