Used Cadillac CT6 for Sale nearHouma, LA
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- 106,536
- Stock #:
- 26W4693A
- VIN:
- 1G6KE5RS0LU110932
Sponsored by Legacy Buick GMC of Westbank
2020 Cadillac CT6
3.6L Premium Luxury AWD
106,536 mi
$29,500
- 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:
- 106,536
- Stock #:
- 26W4693A
- VIN:
- 1G6KE5RS0LU110932
2020 Cadillac CT6
3.6L Premium Luxury AWD
106,536 mi
$29,500
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Crystal White Tricoat
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Very Light Cashmere with Maple Sugar Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 97,252
- Stock #:
- P1907A
- VIN:
- 1G6KN5R69JU109570
2018 Cadillac CT6
3.0TT Platinum AWD
97,252 mi
$26,723
- Year:
- 2019
- 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 with Jet Black accents)
- Transmission:
- Automatic
- Mileage:
- 110,197
- Stock #:
- 125251
- VIN:
- 1G6KB5RS8KU125251
2019 Cadillac CT6
3.6L Luxury AWD
110,197 mi
$22,991
- 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
$23,707
- 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
$19,583
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 70,220
- Stock #:
- C25-386
- VIN:
- 1G6KN5R60HU183308
2017 Cadillac CT6
3.0TT Platinum AWD
70,220 mi
$26,208
- Year:
- 2018
- 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:
- 8-Speed Automatic
- Mileage:
- 106,822
- Stock #:
- D1995
- VIN:
- 1G6KD5RS3JU115462
2018 Cadillac CT6
3.6L Luxury AWD
106,822 mi
$20,248
- Year:
- 2017
- 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:
- 101,292
- Stock #:
- S385848A
- VIN:
- 1G6KN5R67HU182964
2017 Cadillac CT6
3.0TT Platinum AWD
101,292 mi
$18,773
- 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 With Maple Sugar Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 87,406
- Stock #:
- 28704C
- VIN:
- 1G6KN5R67JU100348
2018 Cadillac CT6
3.0TT Platinum AWD
87,406 mi
$24,720
- 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
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 45,236
- Stock #:
- 29175352
- VIN:
- 1G6KD5RSXJU122151
2018 Cadillac CT6
3.6L Luxury AWD
45,236 mi
$31,347
- 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:
- Gray (Light Platinum With Jet Black Accents)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 62,449
- Stock #:
- K131380
- VIN:
- 1G6KJ5R6XJU131380
2018 Cadillac CT6
3.0TT Premium Luxury AWD
62,449 mi
$26,945
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Radiant Silver Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black Leather
- Transmission:
- Automatic
- Mileage:
- 96,219
- Stock #:
- 126433
- VIN:
- 1G6KP5R64JU126433
2018 Cadillac CT6
3.0TT Platinum AWD
96,219 mi
$25,437
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:
- 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
$22,390
- 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
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 111,825
- Stock #:
- 100060
- VIN:
- 1G6KB5RS6LU100060
2020 Cadillac CT6
3.6L Luxury AWD
111,825 mi
$23,450
- 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:
- 2019
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 75,033
- Stock #:
- G-136739
- VIN:
- 1G6KN5R62KU136739
Photos coming soon
2019 Cadillac CT6
3.0TT Sport AWD
75,033 mi
$32,570
- 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
$20,271
- 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:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 96,268
- Stock #:
- 7868SAM
- VIN:
- 1G6KD5RS9HU197868
2017 Cadillac CT6
3.6L Luxury AWD
96,268 mi
$18,890
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 265 hp 2L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- Automatic
- Mileage:
- 56,974
- Stock #:
- 20168
- VIN:
- 1G6KC5RX6HU198734
2017 Cadillac CT6
2.0T Luxury RWD
56,974 mi
$22,838
- 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:
- Automatic
- Mileage:
- 92,651
- Stock #:
- 100440
- VIN:
- 1G6KD5RS6JU100440
Photos coming soon
2018 Cadillac CT6
3.6L Luxury AWD
92,651 mi
$22,288
- 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:
- 131,430
- Stock #:
- 149787
- VIN:
- 1G6KD5RS0HU149787
2017 Cadillac CT6
3.6L Luxury AWD
131,430 mi
$14,325
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Brown (TAN)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 94,036
- Stock #:
- 141290
- VIN:
- 1G6KB5RS9HU141290
Photos coming soon
2017 Cadillac CT6
3.6L AWD
94,036 mi
$15,350
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 |
|---|---|---|
| 2019 | $28,327 | $27,204 – $29,191 |
| 2018 | $22,752 | $22,743 – $23,884 |
| 2017 | $18,664 | $18,174 – $20,446 |
| 2016 | $17,167 | $17,167 – $20,545 |
The Cadillac CT6's current nationwide average price is $21,355, and its nationwide average price reached a low of $21,121 over the past year. Recently, prices have come down for the 2017, 2018, and 2019 models, making now a good time to shop recent model years.
Is the Cadillac CT6 a good car?
Yes — the Cadillac CT6 earns strong marks from owners across its model years. The all-generations owner rating is 4.6/5 across every model year in the data.
Owners consistently praise the CT6 for its luxurious feel, smooth ride, powerful performance, spacious interior, and advanced technology. Many also highlight the quiet cabin and upscale design as standout traits.
29.0% of listings are priced as good or great deals.
Are Cadillac CT6 models reliable?
Owners consistently praise the Cadillac CT6 for its luxury, smooth ride, and strong performance, and expert impressions align with that upscale driving character. Across the model years, reviews also point to advanced technology and a spacious cabin as recurring strengths.
- Owners rate the Cadillac CT6 between 4 and 4.8 out of 5 stars across all model years in the data.
For long-term ownership, you should plan carefully around maintenance and inspect service history closely, since some owners note higher upkeep costs and occasional concerns with transmission or touchscreen behavior.
What should I look for when buying a used Cadillac CT6?
Across all model years, at 62.8% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
| Model Year | Accident-Free % |
|---|---|
| 2020 | 65.7% |
| 2019 | 63.4% |
| 2018 | 62.3% |
| 2017 | 61.7% |
| 2016 | 62.1% |
What Cadillac CT6 do most buyers choose?
The Cadillac CT6 years with the most listings are 2018, 2017, and 2019.
| Model Year | Total Listings | Good + Great Deals % |
|---|---|---|
| 2018 | 276 | 29% |
| 2017 | 274 | 28.5% |
| 2019 | 202 | 30.2% |
| 2016 | 174 | 27.6% |
| 2020 | 102 | 30.4% |
Those higher-volume years tend to draw more shoppers because they give you more inventory to compare and more chances to find the right price and trim. They also often become the most visible choices in the used market because buyers can balance selection with value.
What is the Cadillac CT6's resale value?
| Model Year | Current Avg. Price | Year-Over-Year Change |
|---|---|---|
| 2017 | $18,664 | −8.71% |
| 2016 | $17,167 | −6.62% |
| 2018 | $22,752 | −3.65% |
| 2019 | $28,327 | −1.04% |
The table shows broad downward movement across the model years, which can work in your favor if you're shopping used. The largest price drops are concentrated in the older years, while the newer years have moved down more gradually. That pattern can make recent model years especially appealing if you want a newer CT6 at a lower price than before.
The 2019, 2018, and 2016 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 −1.04% versus a year ago, and the 2018 model is at −3.65%.
- Deal availability: The 2019 model has 30.2% good and great deals, and the 2018 model has 29%.
- Sweet-spot year: The 2018 model has the most listings at a current average price of $22,752.
If you're buying used today, the 2018 model year offers the best mix of value and availability.
How does the 2020 Cadillac CT6 compare to the 2027 BMW 7 Series?
| Spec | 2020 Cadillac CT6 | 2027 BMW 7 Series |
|---|---|---|
| Starting MSRP | $58,995 | $99,800 |
| Listings available | 102 | 301 |
| Good & great deal share | 30.4% | 36.5% |
| Accident-free share | 65.7% | 96.7% |
These recommendations are based on CarGurus' proprietary market data from November 10, 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
- Depreciation Curve: The 2016 model shows the steepest depreciation at -66.6%, indicating significant value loss over time.
- New-Car Premium: The 2020 model's average price of $30,567 is notably lower than its starting MSRP of $58,995, reflecting a substantial new-car premium.
- Best Value Sweet Spot: The 2019 model, priced at an average of $30,657, offers a relatively better value compared to its starting MSRP of $50,495, making it a potential sweet spot for buyers.
Model Year Pricing
| Model Year | Starting MSRP | Avg Price | Avg Price vs Starting MSRP |
|---|---|---|---|
| 2020 | $58,995 | $30,567 | -48.2% |
| 2019 | $50,495 | $30,657 | -39.3% |
| 2018 | $54,095 | $22,948 | -57.6% |
| 2017 | $53,795 | $18,837 | -65.0% |
| 2016 | $53,495 | $17,879 | -66.6% |
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest-Price Market: Miami, FL has the highest average price at $26,498, indicating a premium market for the CT6.
- Best Value: Dallas, TX offers the lowest average price at $19,269, presenting a more affordable option for potential buyers.
- Inventory Drives Stability: Chicago, IL leads with 24 listings, suggesting a stable market presence for the CT6 in this city.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Chicago, IL | 24 | $25,359 |
| Dallas, TX | 21 | $19,269 |
| Houston, TX | 17 | $21,856 |
| New York, NY | 14 | $20,312 |
| Atlanta, GA | 14 | $24,921 |
| Boston, MA | 10 | $19,585 |
| Philadelphia, PA | 9 | $22,588 |
| Washington, DC | 8 | $25,058 |
| Miami, FL | 6 | $26,498 |
| Los Angeles, CA | 3 | $21,371 |
Pricing by Trim Packages
Key Insights
- Volume Leader: The 3.6L Luxury AWD trim has the highest inventory with 133 listings, indicating strong demand.
- Premium Spread: The 3.6L Premium Luxury AWD trim, priced at $74,495, shows a significant premium over the base trim, reflecting added features and luxury.
- Drivetrain Effect: All trims are equipped with AWD, which may contribute to their appeal in various market conditions.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| 3.6L Luxury AWD | 133 | $58,995 | AWD | 3.6L 335 hp V6 |
| 3.6L Premium Luxury AWD | 87 | $74,495 | AWD | 3.6L 335 hp V6 |
| 4.2TT Platinum AWD | 3 | $96,495 | AWD | 4.2L 500 hp V8 |
These recommendations are based on CarGurus' proprietary market data from November 11, 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.
