Used Cadillac CT6 for SaleNationwide
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:
- Crystal White Tricoat
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 76,835
- Stock #:
- 12463A
- VIN:
- 1G6KD5RS5JU122994
2018 Cadillac CT6
3.6L Luxury AWD
76,835 mi
$23,264
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 86,742
- Stock #:
- ATN004535B
- VIN:
- 1G6KD5RS1KU124677
2019 Cadillac CT6
3.6L Premium Luxury AWD
86,742 mi
$25,671
- 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
2017 Cadillac CT6
3.6L Luxury AWD
90,569 mi
$20,922
- Year:
- 2018
- 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:
- 95,953
- Stock #:
- 6GM0899T
- VIN:
- 1G6KP5R62JU127371
2018 Cadillac CT6
3.0TT Platinum AWD
95,953 mi
$25,439
- 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:
- Gray (Light Platinum With Jet Black Accents)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 53,673
- Stock #:
- 160546A
- VIN:
- 1G6KH5R69JU113660
2018 Cadillac CT6
3.0TT Premium Luxury AWD
53,673 mi
$31,070
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Stellar Black Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Very Light Cashmere With Maple Sugar Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 84,613
- Stock #:
- 261433C
- VIN:
- 1G6KP5R6XJU103741
2018 Cadillac CT6
3.0TT Platinum AWD
84,613 mi
$28,950
- 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:
- 75,409
- Stock #:
- T9741A
- VIN:
- 1G6KD5RS6HU207465
2017 Cadillac CT6
3.6L Luxury AWD
75,409 mi
$20,384
- 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
- Transmission:
- Automatic
- Mileage:
- 40,717
- Stock #:
- G10702A
- VIN:
- 1G6KD5RS2JU159081
2018 Cadillac CT6
3.6L Luxury AWD
40,717 mi
$28,287
- Year:
- 2018
- 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:
- Cream
- Transmission:
- 8-Speed Automatic
- Mileage:
- 58,001
- Stock #:
- 22431
- VIN:
- 1G6KB5RSXJU116792
2018 Cadillac CT6
3.6L AWD
58,001 mi
$22,924
- 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:
- Gray (Light Platinum With Jet Black Accents)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 28,799
- Stock #:
- J26149
- VIN:
- 1G6KJ5R65JU138074
2018 Cadillac CT6
3.0TT Premium Luxury AWD
28,799 mi
$35,244
- Year:
- 2018
- 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:
- Gray (Light Platinum with)
- Transmission:
- Automatic
- Mileage:
- 69,010
- Stock #:
- JE323
- VIN:
- 1G6KG5RS7JU127833
2018 Cadillac CT6
3.6L Premium Luxury AWD
69,010 mi
$25,694
- Year:
- 2018
- 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:
- Light Neutral With Jet Black Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 87,512
- Stock #:
- C120978A
- VIN:
- 1G6KB5RS0JU120978
2018 Cadillac CT6
3.6L AWD
87,512 mi
$20,169
- 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:
- 93,175
- Stock #:
- A117002A
- VIN:
- 1G6KE5RS0LU100272
2020 Cadillac CT6
3.6L Premium Luxury AWD
93,175 mi
$29,933
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:
- 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
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Sahara Beige W/Jet Black Accen)
- Transmission:
- Automatic
- Mileage:
- 116,609
- Stock #:
- G9559A
- VIN:
- 1G6KD5RS6KU135786
-$800
2019 Cadillac CT6
3.6L Premium Luxury AWD
116,609 mi
$21,379
$20,579
- 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 W/Jet Black Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 92,035
- Stock #:
- B8463
- VIN:
- 1G6KF5RS8GU157967
2016 Cadillac CT6
3.6L Premium Luxury AWD
92,035 mi
$20,448
- 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:
- 84,263
- Stock #:
- 6R5095
- VIN:
- 1G6KG5RS8JU159206
2018 Cadillac CT6
3.6L Premium Luxury AWD
84,263 mi
$24,998
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Stellar Black Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum With Jet Black Accents)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 43,614
- Stock #:
- 184763T01
- VIN:
- 1G6KE5R67HU184763
-$800
2017 Cadillac CT6
3.0TT Luxury AWD
43,614 mi
$25,930
$25,130
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 53,185
- Stock #:
- CC260134A
- VIN:
- 1G6KE5RS5LU105869
2020 Cadillac CT6
3.6L Premium Luxury AWD
53,185 mi
$38,798
- Year:
- 2016
- 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:
- 82,697
- Stock #:
- AL061906A
- VIN:
- 1G6KK5R61GU164211
-$3,341
2016 Cadillac CT6
3.0TT Platinum AWD
82,697 mi
$24,693
$22,450
- 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
- Transmission:
- Automatic
- Mileage:
- 71,438
- Stock #:
- HA00782
- VIN:
- 1G6KD5RS1JU100782
2018 Cadillac CT6
3.6L Luxury AWD
71,438 mi
$22,798
- 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:
- 130,253
- VIN:
- 1G6KN5R65HU125632
2017 Cadillac CT6
3.0TT Platinum AWD
130,253 mi
$20,099
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Stone Gray Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum w/Jet Black Accents)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 125,763
- Stock #:
- Z3361B
- VIN:
- 1G6KD5RS5JU120193
2018 Cadillac CT6
3.6L Luxury AWD
125,763 mi
$17,956
- 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:
- 90,816
- Stock #:
- 5212
- VIN:
- 1G6KN5R68JU107308
2018 Cadillac CT6
3.0TT Platinum AWD
90,816 mi
$27,494
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 | $28,489 | $27,237 – $30,362 |
| 2018 | $23,229 | $22,948 – $25,269 |
| 2017 | $19,357 | $19,194 – $21,893 |
| 2016 | $19,193 | $17,969 – $20,539 |
The Cadillac CT6's current nationwide average price is $22,171, and its year-round low is $21,979.48. That gives you a useful snapshot of where this model sits right now across the full lineup. 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 lineup, with an all-generations owner rating that points to broad satisfaction. The all-generations owner rating is 4.64/5 across every model year in the data.
Owners consistently praise the CT6 for its luxurious feel, smooth ride, powerful performance, advanced technology, and spacious interior. Many reviews also highlight the quiet cabin and stylish design as standout traits.
25.4% of listings are priced as good or great deals.
Are Cadillac CT6 models reliable?
Owners consistently praise the CT6 for its luxury, smooth ride, powerful performance, and advanced technology. Expert and owner feedback also points to a spacious cabin and a refined driving experience that many shoppers value in a used luxury sedan.
- Owners rate the Cadillac CT6 between 4.0 and 4.8 out of 5 stars across all model years in the data.
For used buyers, long-term ownership risk centers on keeping up with maintenance and checking the vehicle history carefully before you buy.
What should I look for when buying a used Cadillac CT6?
Across all model years, at 62.3% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
| Model Year | Accident-Free % |
|---|---|
| 2020 | 65.1% |
| 2019 | 63.7% |
| 2018 | 65% |
| 2017 | 61.4% |
| 2016 | 60.4% |
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 | 251 | 25.1% |
| 2018 | 243 | 23.5% |
| 2019 | 190 | 23.2% |
| 2016 | 144 | 28.5% |
| 2020 | 83 | 26.5% |
These higher-volume years tend to draw more shoppers because they offer more inventory to compare, which can make it easier to find the right trim, price, and condition. They also give you a broader set of listings to evaluate when you're balancing value and availability.
What is the Cadillac CT6's resale value?
| Model Year | Current Avg. Price | Year-Over-Year Change |
|---|---|---|
| 2017 | $19,357 | −10.52% |
| 2018 | $23,229 | −8.1% |
| 2019 | $28,489 | −5.56% |
| 2016 | $19,193 | −3.17% |
Prices are moving lower across every model year shown, which can work in your favor if you're shopping used. The sharpest drops are in the older recent-model years, while the smallest change appears in the oldest year listed. That pattern gives you more room to find value, especially if you're comparing similar trims across multiple years.
The 2016, 2019, 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 or wait for the next model?
Buy now if:
- Price trend: The 2019 model is at −5.56% versus a year ago, and the 2018 model is at −8.1%.
- Deal availability: The 2019 model has 23.2% good and great deals, and the 2018 model has 23.5%.
- Sweet-spot year: The 2017 model has the most listings at a current average price of $19,357.
If you're buying used today, the 2017 model year offers the best mix of value and availability. If you want the newest version, it may be worth waiting for 2021 inventory to mature.
These recommendations are based on CarGurus' proprietary market data from August 28, 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
- Significant Depreciation: The 2020 Cadillac CT6 shows a steep decline, with a current average price of $33,208, reflecting a depreciation of -43.5% from its original MSRP.
- Best Value Year: The 2018 model offers the best value with an average price of $23,582, which is -56.4% below its MSRP, indicating strong depreciation.
- Older Models at Low Prices: The 2016 model is priced at $18,881, representing a -64.8% depreciation, highlighting the rapid value loss in older luxury vehicles.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2020 Cadillac CT6 | $58,995 | $33,208 | -43.5% |
| 2019 Cadillac CT6 | $50,495 | $28,325 | -43.8% |
| 2018 Cadillac CT6 | $54,095 | $23,582 | -56.4% |
| 2017 Cadillac CT6 | $53,795 | $19,848 | -63.1% |
| 2016 Cadillac CT6 | $53,495 | $18,881 | -64.8% |
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Lowest Prices in Washington, DC: The city offers the lowest average price at $18,201, likely due to higher inventory and demand for more affordable options.
- Highest Prices in Dallas, TX: With an average price of $26,586, Dallas reflects a premium market, possibly driven by lower inventory and higher demand for luxury vehicles.
- Price Variability Across Cities: Cities like Philadelphia, PA ($28,809) and Chicago, IL ($25,899) show higher average prices, indicating regional demand differences for the Cadillac CT6.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Philadelphia, PA | 49 | $28,809 |
| Dallas, TX | 41 | $26,586 |
| Chicago, IL | 56 | $25,899 |
| Los Angeles, CA | 19 | $25,455 |
| Miami, FL | 28 | $26,712 |
| Atlanta, GA | 44 | $23,680 |
| New York, NY | 45 | $23,521 |
| Houston, TX | 44 | $23,595 |
| Boston, MA | 42 | $24,027 |
| Washington, DC | 46 | $18,201 |
Pricing by Trim Packages
Key Insights
- Most Common Trim: The 3.6L Luxury AWD is the most listed trim with 101 listings, indicating strong demand for this configuration.
- Premium Pricing for Higher Trims: The 3.6L Premium Luxury AWD has a significantly higher MSRP of $74,495, reflecting the added luxury features and technology.
- Limited Availability of High-End Trim: The 4.2TT Platinum AWD has only 1 listing, suggesting it is a rare find in the market, likely due to its high price point of $96,495.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| 3.6L Luxury AWD | 101 | $58,995 | AWD | 3.6L 335 hp V6 |
| 3.6L Premium Luxury AWD | 95 | $74,495 | AWD | 3.6L 335 hp V6 |
| 4.2TT Platinum AWD | 1 | $96,495 | AWD | 4.2L 500 hp V8 |
These recommendations are based on CarGurus' proprietary market data from August 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.
