Not long ago, putting Cadillac in the same league as BMW or Mercedes-Benz would have been a stretch. No more. When you consider that hard-to-quantify connectedness every driver wants with his or her machine, this Cadillac might surpass its rivals. The ATS-V has one of the most brilliant chassis in the class—a group that includes the BMW M3 and M4, cars long seen as benchmarks. And since Caddy knows enthusiasts are buying this car, there's a six-speed manual connected to the 464-hp twin-turbo six.