Anthony Sophinos
Automotive Editor - February 23, 2018

Expert Rating

3.9 (Good)
19 City / 27 Highway

Unlike other websites and magazines, our ratings are not based solely on a singular road test, but rather a more encompassing batch of criteria: quality, safety, comfort, performance, fuel economy, reliability history and value. When comparing vehicles using our Rating System, it's important to note that the rating earned by each vehicle correlates only to the models within its class. For example, a compact car cannot be compared to a SUV—They are different vehicles altogether.

You can interpret our ratings in the following way:

5-Star: Outstanding vehicle. Only the most exceptional vehicles achieve this rating.

4-Star: Very Good vehicle. Very good and close to being the best vehicle in its class.

3-Star: Good vehicle. Decent, but not quite the best. Often affordable, but lacking key features found in vehicles of the same class.

2-Star: Below average vehicle. Not recommended, and lacking attributes a car buyer would come to expect for the price.

1-Star: Poor vehicle. Simply does not deserve to be on the road.

2018 Cadillac CT6 OVERVIEW

In 1981, Cadillac announced on the cover of their full-line brochure that they were "Answering today's needs with tomorrow's technology." While the needs of buyers in 2018 may be a tad different than those of buyers 37 years ago, the sentiment which backed up that statement is as fervent as ever at Cadillac House. For those who cast doubt on that claim, just sneak a glance at the 2018 CT6, Cadillac's flagship sedan.

What's New for 2018

It's a bird! It's a plane! No, it's Super Cruise! For 2018, buyers can now equip their CT6 with Super Cruise, Cadillac's latest innovative example of tomorrow's technology. While the name might sound like marketing shtick, the handle is indeed apt: this is a system which offers fully autonomous freeway driving at speeds of up to 85 mph. Simply pick a lane and get up to speed, and once the Super Cruise icon appears on the dash, press the appropriate button on the steering wheel. That's it - the big Cadillac will then pilot itself along the highway while handling all braking, steering and acceleration duties as needed. Just don't try to read the paper or scroll through Facebook – the system demands drivers keep their eyes on the road, and will emit audible alerts along with seat vibrations to restore a driver's attention if it catches them looking away for too long. Still, Super Cruise is notable in that it is the first system from a legacy automaker that lets drivers keep their hands off the wheel as long as the system is in control.

Other than the availability of Super Cruise, there are no significant changes for 2018.

Cadillac CT6

Choosing Your Cadillac CT6

Four trim levels abound for the CT6: Base, Luxury, Premium Luxury, and Platinum. Rear-wheel drive is standard on Base and Luxury trims, with all-wheel drive an option; the top two trims are exclusively all-wheel drive. Rear-drivers are powered by a 2.0-liter, turbocharged four that makes 265 horsepower, while the AWD cars are upgraded to a 335-horse 3.6-liter V6. A twin-turbo 3.0-liter V6 puts out 404 horsepower and 400 lb-ft of torque, making it the closest thing to a hot-rod CT6, but only if you grab an all-wheel-drive CT6 Luxury, Premium Luxury, or Platinum.

That said, don't mistake this saloon for a CTS-V. First and foremost, this is a luxury car, and the options list speaks to that purpose without a stutter. Consider, for instance, the availability of a whopping 34-speaker Bose sound system, or the night-vision option that uses infrared technology to see objects beyond the illumination of the headlights. There is also the rear camera mirror that usurps the traditional rearview mirror with a wide-lens camera that eliminates blind spots, and the Platinum models boast 8-way power rear seats with 15 massage settings.

Nine paint colors and two interior hues are on offer, and numerous wheels ranging from 18 to 20 inches are available.


The lowest-rung CT6 starts at $55,090 (including a $995 destination charge). That amount nets buyers features such as a 10.2-inch CUE infotainment unit, an eight-speaker sound system, remote start, one year of OnStar, a built-in 4G LTE and wifi hotspot, 18-inch wheels, LED headlights, a rear-view camera, 14-way power front seats, Apple CarPlay and Android Auto integration, dual USB ports, SiriusXM radio, wireless phone charging, dual-zone climate control, and an eight-inch digital gauge cluster.

Buyers can further add the $3,500 Driver Awareness and Convenience Package, which bundles forward collision alert, automatic braking, following distance indicator, pedestrian braking, rear-cross-traffic alert, a panoramic sunroof, heated front seats, and navigation. There is also the $1,095 Sport Package, which adds a small lip spoiler and gloss black ground effects, and an Enhanced Sport Package for $4,795 that includes the Sport Package contents along with 20-inch wheels.

For buyers who want either more power or more grip, another $2,000 will get them all-wheel drive and the 3.6-liter engine.


Next up in the CT6 pecking order is the $60,190 Luxury. Additional standard features include the contents of the Driver Awareness and Convenience Package, a 10-speaker sound system, heated steering wheel, rain sensing wipers, gesture-activated trunk, 19-inch wheels, surround-view camera, and automatic high beams.

Among the available packages for the Luxury is the $6,400 Enhanced Entertainment Package, which includes a 34-speaker sound system, rear-seat infotainment, quad-zone climate control, and dual displays and wireless headphones for the back seat. For buyers that want the rear seat goodies but not the highfalutin sound system, a $2,700 Rear Seat Package is available. The all-wheel-drive/3.6-liter engine combo is a $2,000 upgrade, and the 3.0-liter twin-turbo engine can also be equipped for a $9,000 premium. Both of the Sport Packages are again available.

Premium Luxury

Second from top is the Premium Luxury, with a price tag of $66,290. It is only available in all-wheel drive, and the 3.0-liter twin-turbo engine's price drops to $4,000. Standard features include the rear camera mirror, surround vision recorder, a 12-inch digital gauge cluster, a sunroof ,and head-up display. The same packages that were available on the Luxury are available here, along with the $5,000 Super Cruise option, which along with Super Cruise technology includes magnetic ride control.


The most luxurious and opulent CT6 is the $85,290 Platinum. Standard features here include Super Cruise, magnetic ride control, rear-wheel steering, 20-inch wheels, the 34-speaker sound system, rear-seat infotainment, quad-zone climate control, night vision, 20-way power front seats that are heated, ventilated, and massaging, and heated eight-way power rear seats that offer 15 massaging settings. The only two options on the fully-decked out Platinum is the $4,000 3.0-liter twin-turbo engine and a $2,395 Exterior Accent Package that consists of 20-inch wheels and a spoiler.

CarsDirect Tip

A car of this size and stature needs to move with some authority, and the 2.0-liter turbo is unlikely to give that impression. If one of the lower two trims catches your fancy, do not hesitate to upgrade to the 3.6-liter V6, whose 70 additional horses will give the CT6 more appropriate levels of thrust.

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