Used Cadillac CT6 for SaleNationwide

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Year:
2016
Make:
Cadillac
Model:
CT6
Body type:
Sedan
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
404 hp 3L V6
Exterior color:
Red
Combined gas mileage:
22 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
118,756
Stock #:
PT601T
VIN:
1G6KG5R6XGU167710
Red 2016 Cadillac CT6 Sedan All-Wheel Drive Automatic
New arrival

 

2016 Cadillac CT6

3.0TT Premium Luxury AWD

118,756 mi

Dunn, NC
Fair Deal

$15,899

Year:
2020
Make:
Cadillac
Model:
CT6
Body type:
Sedan
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
500 hp 4.2L V8
Exterior color:
Brown (Tan)
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
171,348
Stock #:
HU05434A
VIN:
1G6KV5RJ4LU105434
Brown (Tan) 2020 Cadillac CT6 Sedan All-Wheel Drive Automatic
Price drop

-$1,500

 

2020 Cadillac CT6

4.2TT Platinum AWD

171,348 mi

Rockford, IL
Good Deal

$28,411

$26,911

Customer summary

What people are saying:

4.7

The Cadillac CT6 has consistently impressed owners across its model years, with many praising its luxurious feel, smooth ride, and powerful performance. Reviewers often highlight its advanced technology and spacious interiors. However, some concerns have been raised about seating comfort and road noise, with a few drivers even pointing out issues with the touch screen and transmission. While it offers an enjoyable driving experience, high maintenance costs and missing features at certain trim levels have also been noted as drawbacks.

AI generated from the text of customer reviews.

Year:
2017
Make:
Cadillac
Model:
CT6
Body type:
Sedan
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
335 hp 3.6L V6
Exterior color:
Black
Combined gas mileage:
22 MPG
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
142,458
Stock #:
199107
VIN:
1G6KD5RS4HU199107
Black 2017 Cadillac CT6 Sedan All-Wheel Drive Automatic

 

2017 Cadillac CT6

3.6L Luxury AWD

142,458 mi

North Augusta, SC
Fair Deal

$16,125

Year:
2016
Make:
Cadillac
Model:
CT6
Body type:
Sedan
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
404 hp 3L V6
Exterior color:
Red
Combined gas mileage:
22 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
118,756
Stock #:
PT601T
VIN:
1G6KG5R6XGU167710
Red 2016 Cadillac CT6 Sedan All-Wheel Drive Automatic
New arrival

 

2016 Cadillac CT6

3.0TT Premium Luxury AWD

118,756 mi

Dunn, NC
Fair Deal

$15,899

Year:
2020
Make:
Cadillac
Model:
CT6
Body type:
Sedan
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
500 hp 4.2L V8
Exterior color:
Brown (Tan)
Combined gas mileage:
19 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
171,348
Stock #:
HU05434A
VIN:
1G6KV5RJ4LU105434
Brown (Tan) 2020 Cadillac CT6 Sedan All-Wheel Drive Automatic
Price drop

-$1,500

 

2020 Cadillac CT6

4.2TT Platinum AWD

171,348 mi

Rockford, IL
Good Deal

$28,411

$26,911

Customer summary

What people are saying:

4.7

The Cadillac CT6 has consistently impressed owners across its model years, with many praising its luxurious feel, smooth ride, and powerful performance. Reviewers often highlight its advanced technology and spacious interiors. However, some concerns have been raised about seating comfort and road noise, with a few drivers even pointing out issues with the touch screen and transmission. While it offers an enjoyable driving experience, high maintenance costs and missing features at certain trim levels have also been noted as drawbacks.

AI generated from the text of customer reviews.

Year:
2017
Make:
Cadillac
Model:
CT6
Body type:
Sedan
Doors:
4 doors
Drivetrain:
All-Wheel Drive
Engine:
335 hp 3.6L V6
Exterior color:
Black
Combined gas mileage:
22 MPG
Fuel type:
Gasoline
Transmission:
Automatic
Mileage:
142,458
Stock #:
199107
VIN:
1G6KD5RS4HU199107
Black 2017 Cadillac CT6 Sedan All-Wheel Drive Automatic

 

2017 Cadillac CT6

3.6L Luxury AWD

142,458 mi

North Augusta, SC
Fair Deal

$16,125

How much does the Cadillac CT6 cost in today's market?

Used Cadillac CT6 prices span a wide range depending on model year. Here's what the market looks like right now:

Model YearCurrent Avg. PriceYear-Round Range
2020$33,080$32,885 – $35,543
2019$27,817$27,218 – $29,195
2018$22,831$22,825 – $24,183
2017$18,389$18,177 – $20,647
2016$17,427$17,418 – $20,549

The Cadillac CT6's current nationwide average price is $21,111, and its lowest point over the past year was $21,111. Recently, prices have come down for the 2018, 2019, and 2020 models, making now a good time to shop recent model years.

Is the Cadillac CT6 a good car?

Yes — the Cadillac CT6 is a strong pick if you want a luxury sedan with a refined driving experience and upscale features. The all-generations owner rating is 4.6/5 across every model year in the data.

Owners repeatedly praise its luxurious feel, smooth ride, powerful performance, spacious cabin, and advanced technology. Many reviews also point to the CT6's quiet ride and strong overall value for the experience it delivers.

34.5% of listings are priced as good or great deals.

Are Cadillac CT6 models reliable?

Owners consistently praise the Cadillac CT6 for its smooth ride, strong performance, and upscale cabin, and expert impressions align with that overall luxury-first character. Across the model years, reviews also highlight the CT6's spacious interior and advanced technology.

  • Owners rate the Cadillac CT6 between 4 and 4.8 out of 5 stars across all model years in the data.

For used buyers, long-term ownership risk is worth weighing against the model's premium features, especially if you want to budget carefully for upkeep.

What should I look for when buying a used Cadillac CT6?

Across all model years, at 61.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

Model YearAccident-Free %
202065.2%
201962.6%
201860.2%
201759.6%
201659.6%

What Cadillac CT6 do most buyers choose?

The Cadillac CT6 years with the most listings are 2017, 2018, and 2019.

Model YearTotal ListingsGood + Great Deals %
201726032.7%
201825433.5%
201918237.9%
201616630.7%
20208939.3%

These higher-volume years tend to attract more shoppers because they offer a wider selection and more pricing variety. That combination can make it easier to compare trims, mileage, and deal quality before you buy.

What is the Cadillac CT6's resale value?

Model YearCurrent Avg. PriceYear-Over-Year Change
2017$18,389−10.96%
2016$17,427−9.54%
2018$22,831−5.46%
2020$33,080−4.06%
2019$27,817−2.07%

Most model years show lower prices than a year ago, which can work in your favor if you're shopping used. The biggest drops are in the older years, while the newer years have moved down more modestly. The 2019, 2020, and 2018 model years have held their value best, with the smallest year-over-year price changes.

Should I buy a used Cadillac CT6 now?

Buy now if:

  • Price trend: The 2019 model is at −2.07% versus a year ago, and the 2018 model is at −5.46%.
  • Deal availability: The 2019 model has 37.9% good and great deals, and the 2018 model has 33.5%.
  • Sweet-spot year: The 2017 model has the most listings at a current average price of $18,389.

If you're buying used today, the 2017 model year offers the best mix of value and availability.

How does the 2020 Cadillac CT6 compare to the 2024 BMW 7 Series?

Spec2020 Cadillac CT62024 BMW 7 Series
Starting MSRP$58,995$96,400
Engine3.6L 335 hp V63.0L 375 hp I6
Horsepower335 hp @ 6800 rpm375 hp @ 5200 rpm
MPG/MPGe (city)1825
MPG/MPGe (highway)2731
Average used price$33,080$66,439
Listings available89615
Good & great deal share39.3%38.2%
Accident-free share65.2%90.1%

These recommendations are based on CarGurus' proprietary market data from October 27, 2026, CarGurus experts' opinions, and generative AI.

*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.

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