DecodedCarsCadillac CT6
5 model years from 2016 to 2020, compared on size, efficiency, safety and reliability.
- Model years
- 2016–2020
- Class
- Large Cars, Midsize Cars
- Latest engines
- 3.6L 6-cyl, 4.2L 8-cyl turbo
- Best MPG
- 21–28 combined, by year
- Latest rating
- Not rated
- Recalls
- 8 campaigns, all years
- Most complaints
- 2017 (26)
- Fewest problems
- 2020
- Interest
- 7,092 Wikipedia views / 30 days
The 2020 CT6 in brief
The 2020 Cadillac CT6 is a large car offered with 2 engines (3.6L 6-cyl and 4.2L 8-cyl turbo) and all-wheel drive.
It measures about 206 inches long and 74 inches wide on a 122-inch wheelbase, with a curb weight of roughly 3,986 lb (Luxury AWD 4dr Sedan).
EPA rates its most efficient version at 21 MPG combined (18 city / 27 highway), 10% worse than the 2020 large car average of 23.3 MPG, for an estimated $3,200 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 11 complaints with NHTSA since 2015, most often about the power train.
The Cadillac CT6 has 5 model years in our data, from 2016 to 2020, classed as Large Cars, Midsize Cars.
Its most efficient year was 2019 at 28 MPG combined; across all years the best version ranged from 21 to 28 MPG.
Owners most often report problems with the power train (47), engine (8), service brakes (7).
Buying used? 2018 has the fewest problems in our data.
2019 has the most recalls (4); all years together count 8 campaigns and 77 owner complaints.
How the 2016 CT6 compares
The 2016 Cadillac CT6 is a large car offered with 3 engines (2.0L 4-cyl turbo, 3.0L 6-cyl turbo and 3.6L 6-cyl) 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).
About the Cadillac CT6
The Cadillac CT6 is a full-size luxury car manufactured by Cadillac starting in 2016 over two generations.
From the Wikipedia article "Cadillac CT6", licensed under CC BY-SA 4.0.
Best and worst years to buy used
2018 CT6
12 owner complaints · 2 recalls
None of the 5 model years we compared stands out for complaints or recalls.
NHTSA recalls and complaints for 5 model years since 2015; use it alongside a pre-purchase inspection. How we calculate this →
CT6 changes by model year
- 2020
- Engines dropped: 2.0L 4-cyl turbo and 3.0L 6-cyl turbo
- Best combined MPG down from 28 to 21
- 2019
- New body dimensions: 2.0 in longer — most likely a redesign or new generation
- No plug-in hybrid version any more
- Engine added: 4.2L 8-cyl turbo
- Best combined MPG up from 25 to 28
- 2017
- New plug-in hybrid version
Years without a measurable change are left out.
Show all 5 model years side by side
| Year | Latest engines | Best MPG / range | Length | Weight | Overall | Recalls | Complaints |
|---|---|---|---|---|---|---|---|
| 2020 | 3.6L 6-cyl, 4.2L 8-cyl turbo | 21 MPG | 205.9 in | 3,986 lb | Not rated | 2 | 11 |
| 2019 | 2.0L 4-cyl turbo, 3.6L 6-cyl, 3.0L 6-cyl turbo | 28 MPG | 205.9 in | 3,986 lb | Not rated | 4 | 17 |
| 2018 | 2.0L 4-cyl turbo, 3.0L 6-cyl turbo, 3.6L 6-cyl | 25 MPG | 203.9 in | 3,646 lb | Not rated | 2 | 12 |
| 2017 | 2.0L 4-cyl turbo, 3.6L 6-cyl, 3.0L 6-cyl turbo | 26 MPG | 203.9 in | 3,646 lb | Not rated | 2 | 26 |
| 2016 | 2.0L 4-cyl turbo, 3.0L 6-cyl turbo, 3.6L 6-cyl | 25 MPG | 203.9 in | 3,646 lb | Not rated | 3 | 11 |
Alternatives to the 2020 CT6
| Model | Best MPG / range | NHTSA overall | Recalls |
|---|---|---|---|
| 2020 BMW 7 Series | 24 MPG | Not rated | 0 |
| 2020 Lexus LS | 28 MPG | Not rated | 2 |
| 2020 Lincoln Continental | 21 MPG | ★★★★★ | 2 |
| 2020 Porsche Panamera | 23 MPG | Not rated | 2 |
| 2020 Lexus ES | 44 MPG | Not rated | 3 |
| 2020 Audi A8 | 23 MPG | Not rated | 5 |
Most common owner-reported problems
Sources: EPA, NHTSA, Transport Canada, Wikipedia, Wikimedia Commons. Not affiliated with NHTSA, the EPA or Cadillac. How we calculate this →