In order to challenge BMW M3, the 2016 Cadillac ATS-V has to compete with 2016 Mercedes-AMG C63 S so of of them becomes a contender.
The Cadillac was honed on the Nürburgring, and with its twin-turbo V6, packs 40 more horsepower than the M3. The mighty AMG, on the other hand, is based on the brand new C-class platform and sports a 503 horsepower twin-turbo V8.
Let's see if either of these challengers have what it takes to grab the title from the BMW M3. Find out on this episode of Head 2 Head.