Used Cadillac CT6 for Sale near Louisiana
Shop with transparent pricing.
Only show listings that include dealer fees- 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
$25,574
$25,074
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 77,313
- Stock #:
- 141795
- VIN:
- 1G6KH5R64HU141795
2017 Cadillac CT6
3.0TT Premium Luxury AWD
77,313 mi
$21,606
- 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:
- 78,708
- Stock #:
- L2300B
- VIN:
- 1G6KE5RS3LU106423
2020 Cadillac CT6
3.6L Premium Luxury AWD
78,708 mi
$35,105
- Year:
- 2019
- 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
- Transmission:
- Automatic
- Mileage:
- 80,915
- Stock #:
- 133876
- VIN:
- 1G6KB5RS0KU133876
2019 Cadillac CT6
3.6L Luxury AWD
80,915 mi
$24,876
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 265 hp 2L I4
- Exterior color:
- Black Raven
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 69,715
- Stock #:
- 27021
- VIN:
- 1G6KA5RX7JU159453
-$4,089
2018 Cadillac CT6
2.0T RWD
69,715 mi
$24,414
$20,325
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Dark Adriatic Blue Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Very Light Cashmere w/Maple Sugar Accents
- Transmission:
- Automatic
- Mileage:
- 150,238
- Stock #:
- 3995
- VIN:
- 1G6KN5R67JU107557
2018 Cadillac CT6
3.0TT Platinum AWD
150,238 mi
$20,608
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Shadow Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Mileage:
- 61,798
- Stock #:
- 61P3329A
- VIN:
- 1G6KB5RS4LU107668
2020 Cadillac CT6
3.6L Luxury AWD
61,798 mi
$33,607
- 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
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 101,343
- Stock #:
- CCN2132
- VIN:
- 1G6KD5RS2HU130156
2017 Cadillac CT6
3.6L Luxury AWD
101,343 mi
$18,014
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Blue
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 95,704
- Stock #:
- JYC-114184
- VIN:
- 1G6KD5RS7JU114184
2018 Cadillac CT6
3.6L Luxury AWD
95,704 mi
$21,576
- 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 Tricoat
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Sahara Beige w/Jet Black Accents)
- Transmission:
- Automatic
- Mileage:
- 35,775
- Stock #:
- CD109905
- VIN:
- 1G6KE5RS3LU109905
Photos coming soon
2020 Cadillac CT6
3.6L Premium Luxury AWD
35,775 mi
$40,426
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Stone Gray Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 106,632
- Stock #:
- 22622
- VIN:
- 1G6KE5R66JU109722
2018 Cadillac CT6
3.0TT Luxury AWD
106,632 mi
$19,731
- 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:
- 46,460
- Stock #:
- CINLU111997
- VIN:
- 1G6KB5RSXLU111997
2020 Cadillac CT6
3.6L Luxury AWD
46,460 mi
$37,234
- Year:
- 2019
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Red
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- Automatic
- Mileage:
- 87,105
- Stock #:
- 118544
- VIN:
- 1G6KD5RS7KU118544
2019 Cadillac CT6
3.6L Premium Luxury AWD
87,105 mi
$29,163
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:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 110,643
- Stock #:
- GM204408
- VIN:
- 1G6KD5RS1HU204408
2017 Cadillac CT6
3.6L Luxury AWD
110,643 mi
$16,872
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 265 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 67,557
- Stock #:
- 155591
- VIN:
- 1G6KC5RX4HU155591
2017 Cadillac CT6
2.0T Luxury RWD
67,557 mi
$20,328
- Year:
- 2016
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 265 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 63,763
- Stock #:
- U165945
- VIN:
- 1G6KA5RX2GU165945
2016 Cadillac CT6
2.0T RWD
63,763 mi
$19,163
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 89,184
- Stock #:
- 0386EHA
- VIN:
- 1G6KD5RS4JU100386
2018 Cadillac CT6
3.6L Luxury AWD
89,184 mi
$19,333
- 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 Raven
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum w/Jet Black Accents)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 58,675
- Stock #:
- H9864
- VIN:
- 1G6KD5RS1HU165738
2017 Cadillac CT6
3.6L Luxury AWD
58,675 mi
$24,484
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 38,533
- Stock #:
- 28709784
- VIN:
- 1G6KN5R64HU180573
2017 Cadillac CT6
3.0TT Platinum AWD
38,533 mi
$35,197
- Year:
- 2016
- 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:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 47,217
- Stock #:
- 28660C
- VIN:
- 1G6KG5R6XGU152222
2016 Cadillac CT6
3.0TT Premium Luxury AWD
47,217 mi
$23,602
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 94,586
- Stock #:
- 130334
- VIN:
- 1G6KF5RS8HU130334
Photos coming soon
2017 Cadillac CT6
3.6L Premium Luxury AWD
94,586 mi
$20,382
- Year:
- 2018
- 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:
- Very Light Cashmere
- Transmission:
- 8-Speed Automatic
- Mileage:
- 59,816
- Stock #:
- JU103796
- VIN:
- 1G6KP5R62JU103796
2018 Cadillac CT6
3.0TT Platinum AWD
59,816 mi
$30,499
- 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:
- 8-Speed Automatic
- Mileage:
- 79,546
- Stock #:
- 0552akr
- VIN:
- 1G6KD5RS6JU100552
2018 Cadillac CT6
3.6L Luxury AWD
79,546 mi
$22,333
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!
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
Robert S
Reviewed a 2017 Cadillac CT6 on Dec 31, 2025
Mine is the ct6 with 3.6 v6. Only other I would have preferred would be same car with 3.0 TT. It has alot more power
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.
