Review 2017 Cadillac CT6 is a true American grand touring car

 Cadillac has nailed it.

The 2017 CT6 3.0 TT Platinum, the General Motors subsidiary’s top-trim-level luxury grand touring sedan, is a sublime combination of power, performance and perks.

Especially perks. Despite the many pleasures of driving this car, the real action is in the back seat. This is a car to be driven in, as much as a car to drive.

Cadillac has been undergoing a years-long campaign to rebrand itself, and to escape its land yacht legacy.

Vehicles like the CTS, DTS, ATS and XTS sports sedans have been an attempt to forget the Deville, Eldorado and Seville cruisers on which the 100-year-old Detroit company built its fortune.

The CT6, which debuted last year as Cadillac’s top-of-the-line luxury sedan, pushes that to a new level.

The Platinum trim line I drove can be had, and should be had, with a 3.0-liter twin turbo V-6. (Entry-level versions are pushed by a 2.0-liter twin turbo or a 3.6-liter V-6.) That pumps the horsepower to 404 and the torque to 400 pound-feet, enough to propel this 4,350-pound sedan from 0 to 60 miles per hour in a reported 5 seconds.

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