Used Cadillac CT6 for SaleNationwide
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2019
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Black Raven
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Auburn
- Transmission:
- Automatic
- Mileage:
- 117,042
- Stock #:
- E125854
- VIN:
- 1G6KP5R6XKU125854
2019 Cadillac CT6
3.0TT Sport AWD
117,042 mi
$25,210
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Black Raven
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 48,605
- Stock #:
- LU101126
- VIN:
- 1G6KE5RS5LU101126
2020 Cadillac CT6
3.6L Premium Luxury AWD
48,605 mi
$41,490
- Year:
- 2019
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 500 hp 4.2L V8
- Exterior color:
- Black Raven
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 47,674
- Stock #:
- KU143119P
- VIN:
- 1G6KV5RJ1KU143119
2019 Cadillac CT6
4.2TT Platinum AWD
47,674 mi
$51,960
- Year:
- 2016
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Gray (Graphite Metallic)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cinnamon With Jet Black Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 111,294
- Stock #:
- B6330B
- VIN:
- 1G6KF5RS5GU161149
2016 Cadillac CT6
3.6L Premium Luxury AWD
111,294 mi
$16,799
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Black Raven
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 35,558
- Stock #:
- U152979
- VIN:
- 1G6KG5RS6JU152979
2018 Cadillac CT6
3.6L Premium Luxury AWD
35,558 mi
$31,987
- Year:
- 2019
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Manhattan Noir Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 79,340
- Stock #:
- 135542
- VIN:
- 1G6KD5RS6KU140664
2019 Cadillac CT6
3.6L Premium Luxury AWD
79,340 mi
$28,438
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Radiant Silver Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 30,778
- Stock #:
- 57363P
- VIN:
- 1G6KB5RSXLU108680
2020 Cadillac CT6
3.6L Luxury AWD
30,778 mi
$34,553
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Bronze
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum W/Jet Black Acc)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 32,505
- Stock #:
- LN1473A
- VIN:
- 1G6KD5RS3JU158148
2018 Cadillac CT6
3.6L Luxury AWD
32,505 mi
$30,305
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Crystal White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 55,431
- Stock #:
- CTR296741C
- VIN:
- 1G6KB5RS5LU111292
2020 Cadillac CT6
3.6L Luxury AWD
55,431 mi
$34,185
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 66,601
- Stock #:
- AS20210
- VIN:
- 1G6KH5R66JU100834
2018 Cadillac CT6
3.0TT Premium Luxury AWD
66,601 mi
$26,407
- Year:
- 2016
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Black Raven
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 124,454
- Stock #:
- C2960N
- VIN:
- 1G6KF5RS5GU163029
2016 Cadillac CT6
3.6L Premium Luxury AWD
124,454 mi
$15,180
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Red Passion Tintcoat
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 17,038
- Stock #:
- A12897
- VIN:
- 1G6KD5RS7HU154338
2017 Cadillac CT6
3.6L Luxury AWD
17,038 mi
$25,696
- Year:
- 2019
- 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
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 113,467
- Stock #:
- cadillac ct6 2019
- VIN:
- 1G6KB5RS2KU118442
2019 Cadillac CT6
3.6L Luxury AWD
113,467 mi
$17,459
Customer summary
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.
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 64,321
- Stock #:
- X0060
- VIN:
- 1G6KB5RS3LU103823
2020 Cadillac CT6
3.6L Luxury AWD
64,321 mi
$30,894
- Year:
- 2019
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Black Raven Gba
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Auburn W/Jet Black Accents Hty
- Transmission:
- Automatic
- Mileage:
- 25,486
- Stock #:
- KU131336
- VIN:
- 1G6KN5R6XKU131336
2019 Cadillac CT6
3.0TT Sport AWD
25,486 mi
$38,160
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 96,308
- Stock #:
- Pa308
- VIN:
- 1G6KD5RS7HU132971
2017 Cadillac CT6
3.6L Luxury AWD
96,308 mi
$18,909
- Year:
- 2018
- 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
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 95,593
- Stock #:
- 26-20
- VIN:
- 1G6KB5RS8JU113468
2018 Cadillac CT6
3.6L AWD
95,593 mi
$19,715
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Radiant Silver Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 90,569
- Stock #:
- P9432A
- VIN:
- 1G6KD5RS7HU159250
-$500
2017 Cadillac CT6
3.6L Luxury AWD
90,569 mi
$19,213
$18,713
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Black Raven
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Sahara Beige)
- Transmission:
- Automatic
- Mileage:
- 57,034
- Stock #:
- 1402MT
- VIN:
- 1G6KB5RS1LU111757
2020 Cadillac CT6
3.6L Luxury AWD
57,034 mi
$30,434
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Gray (Steel Metallic)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum With Jet Black Accents)
- Transmission:
- Automatic
- Mileage:
- 66,694
- Stock #:
- PAW275
- VIN:
- 1G6KG5RS3JU126016
-$500
2018 Cadillac CT6
3.6L Premium Luxury AWD
66,694 mi
$25,326
$24,826
- Year:
- 2019
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Radiant Silver Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Auburn with Jet Black accents
- Transmission:
- Automatic
- Mileage:
- 55,260
- Stock #:
- 96379
- VIN:
- 1G6KD5RS0KU125688
2019 Cadillac CT6
3.6L Premium Luxury AWD
55,260 mi
$32,165
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Stellar Black Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Sahara Beige with Jet Black accents)
- Transmission:
- Automatic
- Mileage:
- 27,693
- Stock #:
- P5041
- VIN:
- 1G6KB5RS6LU109244
2020 Cadillac CT6
3.6L Luxury AWD
27,693 mi
$35,487
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 89,414
- Stock #:
- 26-067
- VIN:
- 1G6KD5RS2HU136247
2017 Cadillac CT6
3.6L Luxury AWD
89,414 mi
$18,290
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 Year | Current Avg. Price | Year-Round Range |
|---|---|---|
| 2020 | $32,906 | $32,849 – $35,564 |
| 2019 | $28,246 | $27,199 – $29,184 |
| 2018 | $22,836 | $22,836 – $24,251 |
| 2017 | $18,274 | $18,183 – $20,917 |
| 2016 | $17,362 | $17,362 – $20,551 |
The Cadillac CT6's current nationwide average price is $21,942, and its nationwide average price reached a low of $21,256 over the past year.
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 choice if you want a luxury sedan with a refined driving experience and upscale cabin appeal. The all-generations owner rating is 4.6/5 across every model year in the data.
Owners consistently praise its luxurious feel, smooth ride, powerful performance, advanced technology, and spacious interiors. 31.1% of listings are priced as good or great deals.
Are Cadillac CT6 models reliable?
Owners consistently praise the Cadillac CT6 for its luxury feel, smooth ride, and strong performance, while expert and owner feedback also points to its advanced technology and spacious cabin. Across the model years, those strengths show up repeatedly in the reviews.
- 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 can bring higher upkeep costs, so a careful pre-purchase inspection and service-history review are smart steps.
What should I look for when buying a used Cadillac CT6?
Across all model years, at 61.6% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
| Model Year | Accident-Free % |
|---|---|
| 2020 | 64.8% |
| 2019 | 62.2% |
| 2018 | 61.5% |
| 2017 | 60.5% |
| 2016 | 61% |
What Cadillac CT6 do most buyers choose?
The Cadillac CT6 years with the most listings are 2017, 2018, and 2019.
| Model Year | Total Listings | Good + Great Deals % |
|---|---|---|
| 2017 | 253 | 30.4% |
| 2018 | 247 | 30.4% |
| 2019 | 185 | 33.5% |
| 2016 | 159 | 28.3% |
| 2020 | 91 | 33% |
Those higher-volume years tend to draw more shoppers because they offer a broader selection and more pricing variety. That combination can make it easier to compare trims, features, and deal quality.
What is the Cadillac CT6's resale value?
| Model Year | Current Avg. Price | Year-Over-Year Change |
|---|---|---|
| 2017 | $18,274 | −12.71% |
| 2016 | $17,362 | −9.8% |
| 2018 | $22,836 | −5.86% |
| 2020 | $32,906 | −3.79% |
| 2019 | $28,246 | −1.7% |
The table shows broad price softening across the CT6 lineup, with every listed model year moving lower versus a year ago. That creates more room for used buyers to find value, especially in the older model years where the drops are larger. The smallest changes are in the newer model years, which have stayed closer to their prior pricing.
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 −1.7% versus a year ago, and the 2018 model is at −5.86%.
- Deal availability: The 2019 model has 33.5% good and great deals, and the 2018 model has 30.4%.
- Sweet-spot year: The 2017 model has the most listings at a current average price of $18,274.
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?
| Spec | 2020 Cadillac CT6 | 2024 BMW 7 Series |
|---|---|---|
| Starting MSRP | $58,995 | $96,400 |
| Engine | 3.6L 335 hp V6 | 3.0L 375 hp I6 |
| Horsepower | 335 hp @ 6800 rpm | 375 hp @ 5200 rpm |
| MPG/MPGe (city) | 18 | 25 |
| MPG/MPGe (highway) | 27 | 31 |
| Average used price | $32,906 | $67,192 |
| Listings available | 91 | 628 |
| Good & great deal share | 33.0% | 33.9% |
| Accident-free share | 64.8% | 90.1% |
These recommendations are based on CarGurus' proprietary market data from October 21, 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.
4.7 Overall rating
Customers say
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.
Filter by year
Filter by rating
What people say
Robert S
Reviewed a 2016 Cadillac CT6 on Jan 21, 2026
I actually have the 2017 ct6 . I love it. Great car!
James M
Reviewed a 2018 Cadillac CT6 on Oct 22, 2024
Love this car. Best car ive owned. All i want is a cadillac going forward
Robert S
Reviewed a 2016 Cadillac CT6 on Jan 6, 2026
The only thing better would be the 3.0TT. engine. I have the 2017 3.6 v6 engine and its an awesome car too.
Christopher K
Reviewed a 2019 Cadillac 3.6L Premium Luxury AWD on Mar 12, 2026
Beautiful car with comfortable seating and very generous options and colors
Cadillac CT6 Trims
| Trim type | MSRP |
|---|---|
| 3.6L Premium Luxury AWD | $74,495 |
| 4.2TT Platinum AWD | $96,495 |
| 3.6L Luxury AWD | $58,995 |
*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.
Cadillac CT6 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of Cadillac CT6 prices has changed over time.
See more price trendsCadillac CT6 Pricing Analysis
Pricing Analysis by Model Year
Key Insights
- New-Car Premium: The 2020 model year shows an average price of $32,433, indicating a significant depreciation from its starting MSRP of $58,995.
- Steepest Depreciation: The 2016 model year has experienced the steepest depreciation at -66.3%, reflecting a rapid decline in value.
- Years Priced Above Starting MSRP: No model years are priced above their starting MSRP, highlighting a consistent trend of depreciation across all years.
Model Year Pricing
| Model Year | Starting MSRP | Avg Price | Avg Price vs Starting MSRP |
|---|---|---|---|
| 2020 | $58,995 | $32,433 | -45.0% |
| 2019 | $50,495 | $28,546 | -43.5% |
| 2018 | $54,095 | $22,748 | -57.9% |
| 2017 | $53,795 | $19,116 | -64.5% |
| 2016 | $53,495 | $18,013 | -66.3% |
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest-Price Market: The New York, NY market has the highest average price at $32,957, indicating strong demand or limited supply.
- Best Value: The Houston, TX market offers the lowest average price at $19,515, presenting a more affordable option for shoppers.
- Inventory Drives Stability: The Philadelphia, PA market leads with 64 total listings, suggesting a stable inventory that may help maintain competitive pricing.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Philadelphia, PA | 64 | $27,196 |
| Chicago, IL | 62 | $23,594 |
| New York, NY | 61 | $32,957 |
| Dallas, TX | 60 | $19,517 |
| Washington, DC | 59 | $22,362 |
| Atlanta, GA | 55 | $24,402 |
| Boston, MA | 51 | $21,939 |
| Houston, TX | 49 | $19,515 |
| Miami, FL | 42 | $23,395 |
| Los Angeles, CA | 30 | $19,654 |
Pricing by Trim Packages
Key Insights
- Volume Leader: The 3.6L Luxury AWD trim leads with 142 listings, indicating strong market interest and availability.
- Premium Spread: The 3.6L Premium Luxury AWD trim has a significantly higher MSRP of $74,495, reflecting its premium features compared to the base trim.
- Drivetrain Effect: All trims listed are AWD, suggesting a market preference for all-wheel-drive configurations in the Cadillac CT6 lineup.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| 3.6L Luxury AWD | 142 | $58,995 | AWD | 3.6L 335 hp V6 |
| 3.6L Premium Luxury AWD | 85 | $74,495 | AWD | 3.6L 335 hp V6 |
| 4.2TT Platinum AWD | 2 | $96,495 | AWD | 4.2L 500 hp V8 |
These recommendations are based on CarGurus' proprietary market data from October 21, 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.
