DecodedCars2017 Cadillac CT6
Trims, performance, features, fuel economy, safety and known problems — with the pros and cons against similar 2017 models.
- Class
- Midsize Cars
- Body styles
- 2.0l 4dr Sedan, 3.0l Twin Turbo AWD 4dr Sedan, 3.0l Twin Turbo AWD Platinum 4dr Sedan, 3.6l AWD 4dr Sedan
- Engines
- 2.0L 4-cyl turbo, 3.6L 6-cyl, 3.0L 6-cyl turbo
- Drivetrain
- Rear-Wheel Drive, All-Wheel Drive
- Fuel
- Plug-in Hybrid, Premium Gasoline, Regular Gasoline
- MPG (best)
- 26 combined · 23 city / 30 hwy
- Length
- 203.9 in
- Curb weight
- 3,646–4,385 lb
- NHTSA rating
- Not rated
- Recalls
- 2 campaigns
Pros & cons
What's good
- Plug-in hybrid version availableOffered as a plug-in hybrid as well as gas.
- AWD / 4WD available
Watch out for
No weak spots against similar models in the data.
Calculated from EPA, NHTSA and vPIC data against 28 similar 2017 models — not a review. How we calculate this →
Overview
The 2017 Cadillac CT6 is a midsize car offered with 3 engines (2.0L 4-cyl turbo, 3.6L 6-cyl and 3.0L 6-cyl turbo), including a hybrid version and rear-wheel drive and all-wheel drive.
It measures about 204 inches long and 74 inches wide on a 122-inch wheelbase, with a curb weight of roughly 3,646 lb (2.0l 4dr Sedan).
EPA rates its most efficient version at 26 MPG combined (23 city / 30 highway), 3% worse than the 2017 midsize car average of 26.9 MPG, for an estimated $3,150 a year in fuel.
NHTSA has not published a 5-Star overall rating for this model year.
It has 2 recall campaigns on file and owners have filed 26 complaints with NHTSA since 2015, most often about the power train.
What changed for 2017
- New plug-in hybrid version
Compared with 2016; trim, feature and price changes aren't covered. See the 2016 CT6 →
Dimensions & weight
| Body | Length | Width | Height | Wheelbase | Track F / R | Curb weight | Weight F/R |
|---|---|---|---|---|---|---|---|
| 2.0l 4dr Sedan | 203.9 in | 74 in | 57.9 in | 122 in | 64.2 / 65 in | 3,646 lb | 51/49 |
| 3.0l Twin Turbo AWD 4dr Sedan | 203.9 in | 74 in | 57.9 in | 122 in | 64.2 / 65 in | 4,165 lb | 54/46 |
| 3.0l Twin Turbo AWD Platinum 4dr Sedan | 203.9 in | 74 in | 57.9 in | 122 in | 64.2 / 65 in | 4,385 lb | 54/46 |
| 3.6l AWD 4dr Sedan | 203.9 in | 74 in | 57.9 in | 122 in | 64.2 / 65 in | 3,924 lb | 53/47 |
| 3.6l AWD Platinum 4dr Sedan | 203.9 in | 74 in | 57.9 in | 122 in | 64.2 / 65 in | 4,262 lb | 53/47 |
Transport Canada CVS (Open Government Licence – Canada), Canadian-market figures.
Will it fit your garage? Check with your measurements →Engines, MPG & running costs
| Version | Engine | Transmission | Drive | City / Hwy / Comb | vs. class | Fuel / yr | CO₂ g/mi |
|---|---|---|---|---|---|---|---|
| CT6 Plug-In Plug-in Hybrid | 2.0L 4-cyl turbo | Automatic (variable gear ratios) | Rear-Wheel Drive | 23 / 29 / 26 | -3% | $3,150 | 144 |
| CT6 | 2.0L 4-cyl turbo | Automatic (S8) | Rear-Wheel Drive | 22 / 30 / 25 | +12% | $3,300 | 359 |
| CT6 AWD | 3.6L 6-cyl | Automatic (S8) | All-Wheel Drive | 18 / 27 / 21 | -6% | $3,200 | 417 |
| CT6 AWD | 3.0L 6-cyl turbo | Automatic (S8) | All-Wheel Drive | 18 / 26 / 21 | -6% | $3,900 | 424 |
EPA estimates; "vs. class" is combined MPG against the 2017 EPA class average. How we calculate this →
Safety ratings & technology
NHTSA has not published 5-Star ratings for the 2017 Cadillac CT6.
Similar 2017 midsize cars
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2017 Cadillac CT6 (this car) | 26 MPG | Not rated | 2 |
| 2017 BMW 5 Series | 27 MPG | Not rated | 0 |
| 2017 Tesla Model 3 | 310 mi | Not rated | 16 |
| 2017 Lexus LS | 19 MPG | Not rated | 0 |
| 2017 Lincoln Continental | 21 MPG | Not rated | 4 |
| 2017 Tesla Model S | 335 mi | Not rated | 9 |
| 2017 Jaguar XJ | 21 MPG | Not rated | 3 |
Recalls (2)
Exterior Lighting › Headlights · Sep 29, 2021
NHTSA campaign 21V759000 · 181 vehicles
- Problem
- General Motors, LLC (GM) is recalling certain 2016-2017 Cadillac CT6 vehicles. The Park/Position lights may be excessively bright. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 108, "Lamps, Reflective Devices, and Associated Equipment."
- Risk
- The excessive brightness may affect the vision of other drivers, increasing the risk of a crash.
- Fix
- Dealers will install right and left side in-line headlight jumper harnesses, free of charge. Owner notification letters were mailed November 3, 2021. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is N162016079.
Child Seat › Latch Strap · Jun 28, 2018
NHTSA campaign 18V437000 · 22,043 vehicles
- Problem
- General Motors LLC (GM) is recalling certain 2016-2018 Cadillac CT6 vehicles. The inboard child seat anchorage bars may have had excess structural adhesive applied during assembly, which can interfere with the installation of a child seat. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) number 225, "Child Restraint Anchorage Systems."
- Risk
- If the child seat cannot be attached correctly to the anchorage bar, there is an increased the risk of injury.
- Fix
- GM will notify owners, and dealers will inspect, remove any excess adhesive, and apply anti-corrosion primer to the inboard child seat anchorage bars, free of charge. The recall began August 3, 2018. Owners may contact Cadillac customer service at 1-800-458-8006. GM's number for this recall is 18228.
Not every 2017 Cadillac CT6 is affected — only a VIN check confirms your car.
Owner-reported problems
Unverified owner reports; best-sellers collect more.
Used 2017 Cadillac CT6 buyer's checklist
- Run the VIN at nhtsa.gov/recalls. 2 recalls this year — ask for proof of repairs.
- Power Train — 17 owner reports. Test-drive through all gears, including reverse; note slipping, harsh or delayed shifts.
- Electrical System — 5 owner reports. Test every window, lock, light, screen and USB port; check the battery age.
- Structure › Body — 2 owner reports. Open and close every door, the hood and tailgate; look for rust or misaligned panels.
- Mileage to watch. Owners typically reported problems around 9,759 miles; ask what was repaired near that point.
- Hybrid system. Check for hybrid-system warning lights and ask whether the high-voltage battery has been replaced or is still under warranty.
- Before you pay: service records, a history report and an independent inspection.
Generated by DecodedCars from NHTSA recalls and owner complaints for the 2017 Cadillac CT6. Not a substitute for a professional inspection.
Other CT6 years
Compare all years →Sources: EPA, NHTSA, Transport Canada, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Cadillac. How we calculate this →