When the new Cadillac CT6 V-Sport hits the stage in New York next week, it will have a snarling beast under the hood. The 4.2-liter, twin-turbo V8 that puts out 550 horsepower is GM’s first all-new engine for its luxury brand since the Northstar V8 came out more than three decades ago. For details, go to TheDetroitBureau.com.

Source:: The Detroit Bureau