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U.S. News Best Price Program

2020 Cadillac CT6 Performance Review


Performance: 7.7

The 2020 Cadillac CT6 offers a comfortable, quiet ride and strong engines, but its numb handling prevents it from reaching the level of engagement of several luxury large car rivals.

  • "At no point does the engine seem underpowered. It works well with the 10-speed automatic transmission." -- CNET (2019)
  • "Body roll is held within reasonable bounds, but the CT6 feels large and long. Some cars shrink around you at speed; this isn't one of them. The CTS on which it's based is a great athlete, but the CT6 is unremarkable, like a stretched CTS on novocaine." -- Edmunds (2019)
  • "With a comfortable ride … the Cadillac CT6 proves its luxury game is strong." -- Kelley Blue Book (2019)

Acceleration and Power

Two engines are available for the 2020 CT6. The Luxury and Premium Luxury trims come with a 3.6-liter V6 engine that produces 335 horsepower. The engine moves the car up to speed quickly and produces more than enough power for most shoppers. A 4.2-liter V8 engine that makes 500 horsepower in the Platinum trim and 550 horsepower in the CT6-V model is also available. All engines are mated to a 10-speed automatic transmission that generally clicks off clean shifts. Occasionally, however, it will struggle to hit the right gear.

The base CT6 delivers an EPA-estimated 18 mpg in the city and 27 mpg on the highway. That's low for the class.

  • "A strong engine, powerful brakes and a quick transmission give the CT6 a king-of-the-road character that befits its flagship status." -- Edmunds
  • "… the engine … works well with the 10-speed automatic transmission … quickly downshifting when more grunt is necessary, and upshifting with smoothness. The transmission will occasionally hunt to find the right gear, but for the most part, it's unobtrusive." -- CNET (2019)

Handling and Braking

The CT6 is tuned to deliver a comfortable ride. Body roll is mitigated fairly well, and the ride is compliant over most road surfaces. Steering feedback is minimal, but the brakes are powerful. All-wheel drive is standard.

The performance-oriented CT6-V adds Brembo brakes, driver selectable modes (Tour, Sport, Snow, and Track), and a limited-slip differential.

  • "Both steering and handling are numb, and you feel the CT6's length and weight when the car is pushed. The brakes are a notable bright spot, with stunning stopping power to counteract the hefty sedan's weight." -- Edmunds
  • "Like many of its competitors, the 2019 Cadillac CT6 prioritizes comfort. The ride is compliant even over broken pavement, and the cabin is well-isolated from exterior noise. Body control and handling are commendable for its size, and floatiness is minimal over road imperfections; steering, on the other hand, feels disconnected. -- Motor Trend (2019)
  • "The standard suspension soaks up small to medium impacts while the spacious cabin remains hushed from wind, road and engine noise, even when rolling at a steady 70 miles per hour." -- CNET (2019)
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2020 Cadillac CT6

MSRP: $58,995 - $96,495

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