In fact, as the story goes, news of a new 12-cylinder engine for Cadillac was used as a cover to keep the press off the scent ...

Whereas McLarens of old packed 8 or 12-cylinder engines typically ... continue accelerating until it hits a mighty 192 mph. While Cadillac does offer a more powerful version of the CT5-V which ...

but Cadillac has dropped the sedan version, leaving only a two-door coupe. The ATS coupe is available with a 272-horsepower, turbocharged 2.0-liter four-cylinder engine or a 335-hp, 3.6-liter V-6.