MSRP
$50,495
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2019 Cadillac CT6 Performance Review

Scorecard

Performance: 8.3

The 2019 Cadillac CT6 features a lineup of muscular engines, but its transmission is a little unrefined. Ride quality is good, and handling is stable and poised. The CT6 also gets great fuel economy for its class.

  • 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
  • "Perhaps just as surprising, the CT6 was also a blast to drive manually. It felt super smooth, with plenty of power and poise. I enjoyed bending it through 50-mph curves almost as much as I enjoyed being driven. Almost." -- Autoblog (2018)
  • "Even the base, rear-wheel-drive (RWD) CT6 with the 2.0-liter turbocharged 4-cylinder is an absolute joy to drive. Toss in all-wheel drive (AWD), the 404-horsepower turbo V6 and the Active Chassis Package with 4-wheel steering, and you'll get a car equally at home on the Nurburgring as it is the 405 Freeway." -- Kelley Blue Book (2018)

Acceleration and Power

Cadillac CT6s produced in the first half of the model year come standard with a 2.0-liter turbocharged four-cylinder engine that produces 237 horsepower and 258 pound-feet of torque. There are two available V6 engines: a 3.6-liter V6 that puts out 335 horsepower and 284 pound-feet of torque and a 3.0-liter twin-turbocharged V6 that produces 404 horsepower and 400 pound-feet of torque. All engines are mated to a 10-speed automatic transmission. Fuel economy ranges from 24 mpg in the city and 34 mpg on the highway with the base engine to 18 mpg in the city and 26 mpg on the highway with the twin-turbo V6.

Cadillac cut the four-cylinder engine partway into the model year. The naturally aspirated V6 is now standard.

The CT6's standard engine generally feels powerful and exhibits little turbo lag, while the high-end twin-turbo V6 is much more potent. Critics note that the transmission has hesitant gear shifts at times.

  • "I was initially worried that a car this size would feel slow as molasses off the line, requiring sizeable traffic gaps to safely merge onto highways. Thankfully, that isn't the case. At no point does the engine seem underpowered. It works well with the 10-speed automatic transmission -- also new for 2019 -- 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. That's a feat, too: Making this many gears work seamlessly with a smaller engine isn't easy." -- CNET
  • "The turbocharged V6 has a strong pull from almost any rpm, and quick, smooth upshifts give the sense of virtually uninterrupted power. Acceleration is midpack among top-shelf sedans." -- Edmunds
  • "Power delivery is smooth, and turbo lag is minimal; however, the new engine is barely adequate for a 3,930-pound car like the CT6. The 10-speed automatic is also poorly calibrated; in typical GM fashion, it shifts quickly but immediately goes to the highest gear, preventing you from taking advantage of the engine's midrange torque. … the engine likes to short shift well below the engine's 7,000-rpm redline and sounds labored when pushed hard." -- Motor Trend

Handling and Braking

The Cadillac CT6 has a comfortable ride in general, and it absorbs most bumps and shocks in the road. Steering could be better-weighted, and there's little feedback from the road. Rear-wheel drive is standard, and all-wheel drive is optional.

  • 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
  • "Where the CT6 does its best work, however, is cruising down the highway. The standard suspension soaks up small to medium impacts. … This thing is awesome for road trips." -- CNET
  • "The steering effort gets artificially heavy in Sport mode without adding any tangible value for spirited driving. Left in its default mode, it's light and pleasantly accurate if numb, which is typical for the segment. … Even on roads we know to be fairly smooth, our CT6 Platinum quivered uncomfortably. The ride was also a bit flinty over impacts, so we never really felt as if it was dialed in the way a car in this class should be." -- Edmunds
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2019 Cadillac CT6

MSRP: $50,495 - $91,795

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