Watch: E90 BMW M3, Audi RS4, and C63 AMG Take On the Modern Cadillac CT4-V Blackwing

Jason Cammisa pits the legendary E90 M3, Audi RS4, and C63 AMG against the modern Cadillac CT4-V Blackwing in a nostalgia-fueled showdown. Watch how old-school V8 power stacks up against new-school...

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