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The CT6 replaced the XTS as the division’s full-size flagship in the 2016 model year. Its lightweight body and downsized engines are framed by an elegant, spare design, and it’s graced with great handling. It has its challenges in its sound-alike name and styling themes, but it’s the car GM hopes will be able to finally tackle the thorny problem of S-Class, 7-Series, and A8.

For 2017, the CT6 gains a plug-in hybrid model we’ve yet to drive. Until then, we’ve rated the CT6 an 8.0 out of 10, with kudos for its exceptional back seat and its sleek design, as well as its grippy handling.

The CT6 is the most mature piece of Cadillac styling we’ve seen, but it must be seen to be loved. At first glance it’s impossibly close to the current mid-size CTS sedan, but that impression dissolves when they’re seen in the flesh, next to each other. The CT6’s details are similar, from its blade-styled LED lighting to its sharp sheet-metal creases. The CT6 plays out the same theme on a longer wheelbase, which gives it both an athletic stance and a classic, old-school long hood and trunk directly in opposition to its more curlicued competitors.

Light weight pays off in the Cadillac CT6; a twin-turbo V-6 pulls out V-8 performance, and handling is remarkably able. The CT6 comes one of three engines, all mated to 8-speed automatic transmissions. The base turbocharged 2.0-liter inline-4 makes 265 horsepower and comes with rear-wheel drive; there’s also a 3.6-liter V-6 with 335 hp, and a 3.0-liter twin-turbo V-6 that produces 404 hp, both with all-wheel drive.

All benefit from better power to weight than they might, since the CT6’s body is made from a mix of metals and scoured clean of excess mass. It weighs just 3,657 pounds in base trim, about 1,000 pounds less than a Mercedes-Benz S-Class, though the top models are merely 225 pounds or so lighter.

Turbo-4 CT6 sedans are the most surprising to drive. They’re the most agile, the lightest on their feet, the closest thing to a full-size sports sedan. But the CT6 is still a long-wheelbase car, and a wide one at that. There’s simply too much car here to deliver truly sporty handling. The size makes itself known in models with the twin-turbo V-6; they’re truly fast, but with a lot of weight on the nose, they tend to understeer, which is why Cadillac offers a rear-steer system to help the car turn in better.

The CT6 is a taut, sometimes overly stiff performer. Magnetic dampers give it a firm grip on body motion, albeit with less dynamic range than a more typical air-damper setup. Its electric steering has lots of weight in all modes, but it’s a pleasant sort of heft.

The CT6 is fairly thrifty in turbo-4 form, but the plug-in will be a welcome addition to boost its best 25-mpg city EPA ratings.

Comfort, safety, and features

The CT6 has exceptional room, especially in back, but it’s less plush that some rival luxury cars. The CT6’s interior is Cadillac’s finest cabin yet, and it is rife with high-quality materials. The design follows the spare philosophy, maybe to a fault in a day where the S-Class wears gorgeous arcs of chrome and glows with ambient LED rainbows.

Space isn’t a problem at all. Front seats could use softer cushions and a wider range of adjustment, but the rear seat is vast for two passengers; a third will perch uncomfortably on a high middle seat.

No crash-test scores are in, but the CT6 comes with a standard rearview camera and offers lots of optional safety features like forward-collision warnings with automatic emergency braking, blind-spot monitors, and surround-view cameras. Its industry-first rear camera mirror takes some getting used to, but offers a peek (backward) into the future.

In base form the CT6 is a luxury bargain; with all the boxes ticked, it overlaps with more lushly outfitted German sedans. Standard power features, high-end audio, and in-car wireless data connections can be augmented with massaging rear seats, tony leather treatments, and a 34-speaker Bose Panaray audio system.

The CT6 also comes with the latest version of the CUE infotainment system, complete with a 10.2-inch, high-definition touchscreen, and a touchpad that can recognize handwriting in a search for addresses or points of interest. Still, we’ve almost always defaulted to its flawless implementation of Apple CarPlay: it’s a smart offering and the safest, most streamlined way we know of to stay connected while driving.

The CT6 continues the evolution of Cadillac’s “Art & Science” design language, and shares much in common with the CTS sedan, which is 8.5 inches shorter.

The CT6 is a car that must be seen in person, next to a CTS if possible, to appreciate how different it is. With the same cues on a longer body, the CT6 has a wonderful old-school stance with a clarity of detail that’s the absolute opposite of where its competitors have gone.

We’re going by gut to give it a score that credits excellent interior and exterior design; rivals like the S-Class are undoubtedly more extravagant and evocative, but the CT6 is striking in its simplicity, a Mies Van Der Rohe among full-size sedans, and that’s worth rewarding.

  • 19\" Wheels
  • Adaptive Cruise Control
  • Airbags
  • Air Conditioning
  • Anti-theft Protection
  • Audio Interface
  • Automatic Climate Control
  • Automatic Headlights
  • Auto Start/Stop
  • Blind Spot monitoring systems
  • Bose Sound System
  • Carbon Fiber Interior Trim
  • CD/DVD Autochanger
  • Cooled Seats
  • Cruise Control
  • Digital Dashboard
  • Dual Panoramic Sunroof
  • Electric Parking Brake
  • Floor Mats
  • Garage Door Opener
  • Heated mirrors
  • Heated Seats
  • Lane Change Assist
  • Lane Departure Warning System
  • Leather Package
  • Luggage Compartments
  • Navigation Module
  • Online Services
  • Panoramic Sunroof
  • ParkAssist
  • Parking Sensors
  • Power Steering
  • Premium Leather Interior
  • Premium Wood Finished Interior
  • Reversing Camera
  • Seat Heating
  • Seat Ventilation
  • Steering Wheel Heating
  • Sunroof
  • Tire Pressure Monitoring
  • Universal Audio Interface
  • Ventilated Seats
  • Voice Control System
  • Wind Deflector

Quick Specs

Gas Mileage18 mpg City/27 mpg Hwy

EngineGas V6, 3.6L

EPA ClassLarge Cars

Style Name4dr Sdn 3.6L Premium Luxury AWD

DrivetrainAll Wheel Drive

Passenger Capacity5

Passenger Doors4

Body Style4dr Car

TransmissionTransmission, 8-speed automatic


EPA ClassificationLarge Cars

Number of Passenger Doors4

Weight Information
Base Curb Weight (lbs)4040

Interior Dimensions
Front Head Room (in)40.2

Second Leg Room (in)40.4

Passenger Capacity5

Front Hip Room (in)55.9

Front Leg Room (in)46.4

Second Shoulder Room (in)56.2

Passenger Volume (ft³)- TBD -

Second Head Room (in)38.06

Front Shoulder Room (in)58.3

Second Hip Room (in)53.5

Exterior Dimensions
Width, Max w/o mirrors (in)74.0

Liftover Height (in)- TBD -

Wheelbase (in)122.4

Track Width, Rear (in)64.0

Height, Overall (in)58.0

Length, Overall (in)204.1

Min Ground Clearance (in)- TBD -

Track Width, Front (in)63.4

Cargo Area Dimensions
Trunk Volume (ft³)15.3

Fuel Economy

Fuel Tank
Fuel Tank Capacity, Approx (gal)19.5

EPA Fuel Economy Est - Hwy (MPG)27

Fuel Economy Est-Combined (MPG)21

EPA Fuel Economy Est - City (MPG)18

Performance Specs


Engine Order CodeLGX

SAE Net Torque @ RPM284 @ 5300

Fuel SystemDirect Injection

Engine TypeGas V6

SAE Net Horsepower @ RPM335 @ 6800

Seventh Gear Ratio (:1)- TBD -

Trans Type8

Third Gear Ratio (:1)- TBD -

Clutch Size (in)NA

DrivetrainAll Wheel Drive

First Gear Ratio (:1)- TBD -

Sixth Gear Ratio (:1)- TBD -

Eighth Gear Ratio (:1)- TBD -

Trans Description Cont.Automatic

Fourth Gear Ratio (:1)- TBD -

Final Drive Axle Ratio (:1)3.27

Trans Order CodeM5N

Second Gear Ratio (:1)- TBD -

Reverse Ratio (:1)- TBD -

Trans Description Cont. AgainNA

Fifth Gear Ratio (:1)- TBD -

Disc - Front (Yes or )Yes

Rear Drum Diam x Width (in)NA

Brake TypePwr

Rear Brake Rotor Diam x Thickness (in)- TBD -

Disc - Rear (Yes or )Yes

Brake ABS System4-Wheel

Drum - Rear (Yes or )NA

Front Brake Rotor Diam x Thickness (in)- TBD -

Lock to Lock Turns (Steering)- TBD -

Steering TypeElectric Rack & Pinion

Turning Diameter - Curb to Curb (ft)- TBD -

Steering Ratio (:1), Overall- TBD -

Turning Diameter - Wall to Wall (ft)- TBD -

Spare Tire Order CodeZCD

Front Tire Order CodeRJZ

Spare Tire SizeT135/70R18

Front Tire SizeP245/45R19

Rear Tire Order CodeRJZ

Rear Tire SizeP245/45R19

Spare Wheel Size (in)18 x - TBD -

Front Wheel Size (in)19 x 8.5

Spare Wheel Material- TBD -

Front Wheel MaterialAluminum

Rear Wheel Size (in)19 x 8.5

Rear Wheel MaterialAluminum

Suspension Type - Front (Cont.)NA

Stabilizer Bar Diameter - Rear (in)- TBD -

Suspension Type - FrontIndependent

Shock Absorber Diameter - Rear (mm)- TBD -

Suspension Type - Rear (Cont.)NA

Suspension Type - RearIndependent

Stabilizer Bar Diameter - Front (in)- TBD -

Shock Absorber Diameter - Front (mm)- TBD -

Safety Features

Air Bag-Frontal-DriverYes

Air Bag-Frontal-PassengerYes

Air Bag-Passenger Switch (On/Off)No

Air Bag-Side Body-FrontYes

Air Bag-Side Body-RearNo

Air Bag-Side Head-FrontYes

Air Bag-Side Head-RearYes


Child Safety Rear Door LocksNo

Daytime Running LightsYes

Traction ControlNo

Night VisionNo

Rollover Protection BarsNo

Fog LampsNo

Parking AidYes

Tire Pressure MonitorNo

Back-Up CameraYes

Stability ControlNo

Other FeaturesAutomatic Braking, low speed collision mitigation (Upgradeable...
Daytime Running Lamps
Air bags, driver and front passenger frontal front seat thorax...
Air bag, Passenger Sensing System (Always use safety belts and...
Safety belts, 3-point, driver and front passenger
Safety belts, 3-point, rear, all seating positions
LATCH system (Lower Anchors and Top tethers for CHildren), for...
Automatic Safety Belt Tightening
OnStar Guidance plan for 1 year includes limited vehicle mobile...
OnStar Basic plan for 5 years includes limited RemoteLink mobile...
Rear Vision Camera
Surround Vision, Birdseye view of vehicle
Following Distance Indicator
Pedestrian detection, front
Side Blind Zone Alert
Lane Keep Assist with Lane Departure Warning
Rear Cross-Traffic Alert
Forward Collision Alert


Basic Miles/km50,000

Basic Years4

Corrosion Miles/kmUnlimited

Corrosion Years6

Drivetrain Miles/km70,000

Drivetrain Years6

Hybrid/Electric Components Miles/km100,000

Hybrid/Electric Components Years8

Maintenance Miles/km36,000

Maintenance Years3

Roadside Assistance Miles/km70,000

Roadside Assistance Years6

Other Specs

Cooling System
Total Cooling System Capacity (qts)- TBD -

Cold Cranking Amps @ 0° F (Primary)- TBD -

Maximum Alternator Capacity (amps)- TBD -

Wt Distributing Hitch - Max Trailer Wt. (lbs)N/A

Dead Weight Hitch - Max Trailer Wt. (lbs)N/A

Wt Distributing Hitch - Max Tongue Wt. (lbs)N/A

Dead Weight Hitch - Max Tongue Wt. (lbs)N/A
Year: 2017
Make: Cadillac
Model: CT-6
Body Style: Sedan
Mileage: 13000
Transmission: 8-Speed Automatic
Fuel Economy: 26
Condition: Brand New
Location: Muscat,Azaiba
Price: 18,500
Drivetrain: AWD
Engine: 3.6L
Exterior Color: Grey
Interior Color: Cream
MPG: 18 City / 27 Highway
c.c: 3600
K.M.: 13000
V: V6

Fuel Efficiency Rating

  • City: 18
  • Highway: 27

Actual rating will vary with options, driving conditions, driving habits and vehicle condition.

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