Ever since the introduction of Cadillac’s 2016 ATS-V model, a couple Europe’s long reigning champs have been shuddering in fear.  Particularly, BMW and Mercedes. In this video, CNET kicks off its Roadshow Rivals series by  pitting the Cadillac ATS-V against two of Europe’s top contenders:  the BMW M3 and the Mercedes AMG C63.  Watch as CNET takes the three leviathans ...

The BMW M3 has long reigned as the king of the sports sedan segment. However, two new challengers have arisen: the Cadillac ATS-V and the Mercedes-AMG C63 S. 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 ...