Used 2018 Cadillac CT6 for Sale near Mississippi
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:
- 404 hp 3L V6
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 88,426
- Stock #:
- 39965
- VIN:
- 1G6KP5R67JU123963

2018 Cadillac CT6
3.0TT Platinum AWD
88,426 mi
$29,346
- 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

2018 Cadillac CT6
3.6L Premium Luxury AWD
66,694 mi
$26,948
- 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:
- Brown
- Transmission:
- Automatic
- Mileage:
- 46,213
- Stock #:
- KU133948
- VIN:
- 1G6KD5RS7KU133948

2019 Cadillac CT6
3.6L Premium Luxury AWD
46,213 mi
$36,628
- 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:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 41,562
- Stock #:
- EYC-140913
- VIN:
- 1G6KB5RS3HU140913

2017 Cadillac CT6
3.6L AWD
41,562 mi
$25,556
- Year:
- 2019
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 80,221
- Stock #:
- CN3516
- VIN:
- 1G6KN5R66KU143516

2019 Cadillac CT6
3.0TT Sport AWD
80,221 mi
$27,862
- 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:
- 92,669
- Stock #:
- JKB159355
- VIN:
- 1G6KJ5R68JU159355

2018 Cadillac CT6
3.0TT Premium Luxury AWD
92,669 mi
$24,199
- 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
$24,256
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 68,504
- Stock #:
- 183552
- VIN:
- 1G6KE5R60HU183552

2017 Cadillac CT6
3.0TT Luxury AWD
68,504 mi
$24,800
- 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
$21,424
- 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:
- Cinnamon with Jet Black Accents
- Transmission:
- Automatic
- Mileage:
- 57,349
- Stock #:
- 120969
- VIN:
- 1G6KG5RS8JU120969

2018 Cadillac CT6
3.6L Premium Luxury AWD
57,349 mi
$30,611
- 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 Raven
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 78,373
- Stock #:
- 132371
- VIN:
- 1G6KD5RS6KU132371

2019 Cadillac CT6
3.6L Premium Luxury AWD
78,373 mi
$30,611
- 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
$20,946
- Year:
- 2019
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 51,300
- Stock #:
- 29112369
- VIN:
- 1G6KN5R63KU129511

2019 Cadillac CT6
3.0TT Sport AWD
51,300 mi
$35,347
About 2018 Cadillac CT6
- 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 With Maple Sugar Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 59,815
- Stock #:
- JU103796
- VIN:
- 1G6KP5R62JU103796

2018 Cadillac CT6
3.0TT Platinum AWD
59,815 mi
$31,398
- 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
$20,378
- 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
$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:
- Red
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 93,563
- Stock #:
- 5398
- VIN:
- 1G6KL5RS2HU190795

2017 Cadillac CT6
3.6L Platinum AWD
93,563 mi
No Price Listed
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Green
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (TAN)
- Transmission:
- Automatic
- Mileage:
- 53,027
- Stock #:
- 70217982
- VIN:
- 1G6KN5R69HU176535

2017 Cadillac CT6
3.0TT Platinum AWD
53,027 mi
$34,497
- 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 Horizon Tintcoat
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum w/Jet Black Accents)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 37,909
- Stock #:
- H9847
- VIN:
- 1G6KF5RS8JU154543

2018 Cadillac CT6
3.6L Premium Luxury AWD
37,909 mi
$35,256
- Year:
- 2019
- 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:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 34,294
- Stock #:
- 28589C
- VIN:
- 1G6KB5RS3KU136156

2019 Cadillac CT6
3.6L Luxury AWD
34,294 mi
$37,275
- 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
- Transmission:
- Automatic
- Mileage:
- 73,856
- Stock #:
- U17616
- VIN:
- 1G6KB5RS7JU151774
Photos coming soon
2018 Cadillac CT6
3.6L AWD
73,856 mi
$26,456
- 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:
- Brown (Beige)
- Transmission:
- Automatic
- Mileage:
- 85,048
- Stock #:
- U17541
- VIN:
- 1G6KG5RS1JU151013

2018 Cadillac CT6
3.6L Premium Luxury AWD
85,048 mi
$29,948
Overview

Cadillac hasn’t had a true flagship sedan in many years, but that changed in 2016 with the introduction of the CT6. The model has been given the very ambitious task of luring buyers away from the other big luxury sedans, and for 2018, Cadillac is upping the ante with a few new features that should make the CT6 an even more compelling alternative.
The big news for 2018 is the addition of the all-new Super Cruise system to the CT6’s options list. Super Cruise is a semi-autonomous driving system similar to Tesla’s Autopilot that enables the vehicle to drive itself on the highway by using a suite of cameras, sensors, and GPS data. Super Cruise stands out from other semi-autonomous systems in a couple of ways—first of all, it uses LiDAR-based mapping data, which gives the system a more comprehensive idea of the road ahead and helps determine whether or not Super Cruise can be activated. Second, it includes a driver-attention system with a camera and infrared lights that monitor the position and movement of the driver’s head. If the driver turns away from the road, the system will issue an alert through a light bar on the steering wheel and send vibrations through the seat. If the driver fails to react, Super Cruise can bring the vehicle to a stop.
The CT6 differs from other Cadillac models in its design. Its exterior does feature Cadillac’s signature sharp lines and angles, but these have been toned down considerably in comparison to the likes of the ATS or CTS. Depending on the trim, the CT6 offers various grille inserts and wheels ranging in size from 18 to 20 inches. Despite its positioning as a flagship sedan, the CT6 comes up somewhat short in terms of length—it stands at just 204.1 inches, placing it between the BMW 5 and 7 Series.
Cadillac has put a lot of effort into making the CT6’s interior look and feel like a proper luxury car. Materials range from real wood and aluminum trim to leather upholstering the seats. The base trim comes with power adjustments for the front seats and memory settings for the driver, while higher trims get heated and ventilated front seats, a heated steering wheel, and heated rear seats. The backseat is quite spacious, with plenty of head- and legroom, although trunk capacity is below the class average at 15.3 cubic feet.
All CT6s come standard with the Cadillac User Experience (CUE) infotainment system and a 10.2-inch touchscreen. Once a major point of criticism, Cadillac has continued to improve CUE over the years with tweaks to the interface, hardware updates, and the addition of key features such as Apple CarPlay and Android Auto. The touchscreen comes with a separate touchpad controller, which some reviewers have noted is a bit too sensitive to accurately select items on the screen. Other standard technology features include OnStar’s concierge service, turn-by-turn directions, and OnStar 4G LTE with Wi-Fi.
Flagship sedans typically offer a wide range of powertrain options, and in this the CT6 delivers. The base engine is a turbocharged 2.0-liter 4-cylinder offering 265 hp and 295 lb-ft of torque. Up next is a 3.6-liter V6 good for 335 hp and 284 lb-ft, and topping the lineup is a twin-turbo 3.0-liter V6 with 404 hp and 400 lb-ft. All powertrains come standard with an 8-speed automatic transmission, and fuel economy ranges from 18 mpg city, 26 highway, and 21 combined for the twin-turbo V6 to 22, 31, and 25 for the 2.0-liter engine. The 2.0-liter gets rear-wheel drive (RWD), while both V6s are paired with an all-wheel-drive (AWD) system. Those wanting to go green can opt for the separate CT6 PLUG-IN model, which combines the turbo 2.0-liter with an electric motor for a total output of 335 hp.
Calling the Cadillac CT6 fun to drive may seem like a misnomer due to its size, but it stands as one of the sharpest-handling vehicles in the class. This is in large part thanks to its aluminum frame, which helps cut down on overall weight. An optional Active Chassis package adds GM’s excellent Magnetic Ride Control system, which uses special fluid in the shocks to keep the vehicle flat when cornering and smooth out bumps, and rear-wheel steering for better balance.
As for safety features, all CT6s come with a full set of airbags, traction and stability control, a reversing camera, and OnStar emergency services. Higher trims are equipped with blind-spot monitoring with rear cross-traffic alert, lane-departure warning, lane-keep assist, forward-collision alert, low-speed forward automatic braking, automatic pedestrian braking, and Cadillac’s Rear Camera Mirror that projects the reversing camera display onto the rear-view mirror.
Pricing for the 2018 Cadillac CT6 begins at $54,095.
*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
Filter by rating
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
Marina R. V
Reviewed a 2018 Cadillac CT6 on Feb 28, 2025
This vehicle has every bell and whistle that you can imagine. The price was absolutely amazing and I couldn't have found a better deal.
Robert H T
Reviewed a 2018 Cadillac CT6 on May 10, 2022
This is my favorite car and for the money you cannot beat its price to options available. love the car.
Anonymous
Reviewed a 2018 Cadillac CT6 on Mar 16, 2021
This is a beautiful car inside and out. The ride is very smooth, nice handling, luxury and power all in one. The technology is second to none. When you see this car parked or in motion, all you can say is thats a sharp ride.
2018 Cadillac CT6 Trims
| Trim type | MSRP |
|---|---|
| 3.0TT Luxury AWD | $65,195 |
| 2.0T Luxury RWD | $59,195 |
| 2.0T RWD | $54,095 |
| 3.6L AWD | $56,095 |
| 3.0TT Premium Luxury AWD | $69,295 |
| 3.0TT Platinum AWD | $88,295 |
| 3.6L Premium Luxury AWD | $65,295 |
| 3.6L Luxury AWD | $61,195 |
*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.
2018 Cadillac CT6 Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2018 Cadillac CT6 prices has changed over time.
See more price trends2018 Cadillac CT6 Pricing Analysis
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest-Price Market: Miami, FL leads with an average price of $25,599, indicating a premium market for the CT6.
- Best Value: Atlanta, GA offers the lowest average price at $16,952, presenting a significant opportunity for budget-conscious buyers.
- Inventory Drives Stability: Chicago, IL has the most listings at 38, suggesting a stable market presence for the CT6 in this area.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Chicago, IL | 38 | $24,450 |
| Dallas, TX | 36 | $23,821 |
| Washington, DC | 36 | $24,415 |
| Atlanta, GA | 33 | $16,952 |
| Houston, TX | 29 | $24,484 |
| Boston, MA | 28 | $19,397 |
| Miami, FL | 25 | $25,599 |
| Los Angeles, CA | 21 | $19,654 |
Pricing by Trim Packages
Key Insights
- Volume Leader: The 3.6L Luxury AWD trim has the highest inventory with 120 listings, indicating strong demand for this configuration.
- Premium Spread: The 3.0TT Platinum AWD trim, priced at $88,295, represents the highest MSRP, highlighting a significant premium for top-tier features.
- Drivetrain Effect: All trims listed are AWD, suggesting a market preference for all-wheel drive in this segment.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| 3.6L Luxury AWD | 120 | $61,195 | AWD | 3.6L 335 hp V6 |
| 3.6L Premium Luxury AWD | 84 | $65,295 | AWD | 3.6L 335 hp V6 |
| 3.0TT Platinum AWD | 33 | $88,295 | AWD | 3.0L 404 hp V6 |
| 3.0TT Premium Luxury AWD | 21 | $69,295 | AWD | 3.0L 404 hp V6 |
| 2.0T Luxury RWD | 17 | $59,195 | RWD | 2.0L 265 hp I4 |
| 3.6L AWD | 17 | $56,095 | AWD | 3.6L 335 hp V6 |
| 2.0T RWD | 12 | $54,095 | RWD | 2.0L 265 hp I4 |
| 3.0TT Luxury AWD | 9 | $65,195 | AWD | 3.0L 404 hp V6 |
Pricing Analysis by Model Year
Key Insights
- New-Car Premium: The 2020 model year shows a significant average price of $34,672, indicating a strong demand for newer models despite depreciation.
- Depreciation Curve: The 2017 model year experiences the steepest depreciation at -65.9%, suggesting that older models may offer better value for budget-conscious buyers.
- Best Value Sweet Spot: The 2018 model year is priced at an average of $23,037, making it a compelling option for those seeking a balance between price and features.
Model Year Pricing
| Model Year | Starting MSRP | Avg Price | Avg Price vs Starting MSRP |
|---|---|---|---|
| 2020 | $58,995 | $34,672 | -41.2% |
| 2019 | $50,495 | $27,547 | -45.4% |
| 2018 | $54,095 | $23,037 | -57.4% |
| 2017 | $53,795 | $18,362 | -65.9% |
| 2016 | $53,495 | $19,334 | -63.9% |
These recommendations are based on CarGurus' proprietary market data from September 30, 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.
How much does the 2018 Cadillac CT6 cost?
| Metric | Value |
|---|---|
| Current Average Price | $23,384 |
| Year-Round Low | $22,948 |
| Year-Round High | $24,462 |
| Average Price a Year Ago | $24,463 |
| Change vs. Last Year | −4.41% |
Prices have softened 4.41% compared to this time last year, making it a favorable time to shop this model year.
There are 244 listings available, which gives you a modest amount of inventory to compare before you buy.
Is the 2018 Cadillac CT6 a good car?
Yes — the 2018 Cadillac CT6 earns a 4.69/5 user rating, which points to strong owner satisfaction. Owners commonly praise its smooth ride, luxurious interior, powerful performance, advanced technology, and spaciousness. The market also shows 28.3% of listings as good or great deals, which gives you some room to shop selectively.
Is the 2018 Cadillac CT6 reliable?
Owners rate it 4.69/5, a strong signal of long-term satisfaction.
Owner feedback also points to a car that feels smooth, powerful, and generally dependable in day-to-day use, with many drivers highlighting the comfort and technology they can count on. For used buyers, the main long-term ownership risk is making sure the specific car you choose has been well maintained and free of hidden wear or prior damage.
What should I look for when buying a used 2018 Cadillac CT6?
At 60.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
You should start with a vehicle history report and confirm whether any reported damage was repaired properly. Put extra inspection priority on the seating, road-noise levels, and overall cabin condition, since owners have noted comfort and noise concerns. It also makes sense to check the back seat and cargo area closely so you know whether the car fits your needs.
Is now a good time to buy a used 2018 Cadillac CT6?
This is a moderate, selective buyer's market, so you can shop carefully and still find worthwhile options.
- Deal availability: 28.3% of listings are priced as good or great deals.
- Inventory: There are 244 listings available.
- Price trend: Prices have softened 4.41% compared with last year.
- Clean inventory: 60.2% of listings are accident-free.
If you find a listing below $22,948, that's toward the low end of the year-round range and worth acting on quickly.
What is the 2018 Cadillac CT6's resale value?
The current average of $23,384 sits slightly below last year's $24,463.
That softer pricing suggests the model has become a bit more buyer-friendly, which can help you if you're shopping now but may limit upside if you're planning to resell soon. For a future seller, the current market indicates you may need to price competitively to stand out. Strong owner satisfaction can still help support demand when it's time to list the car again.
Vehicles with strong owner satisfaction ratings, like this model year's 4.69/5, tend to retain buyer demand, which supports resale value over time.
Should I buy a 2018 Cadillac CT6 or consider a different year?
If you're weighing the 2018 against nearby model years, here's how to think about it:
Choose the 2018 if:
- 28.3% of listings are priced as good or great deals.
- At 60.2% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
- Price trend: Prices have softened 4.41% compared with last year.
- Owners rate it 4.69/5 — a strong satisfaction signal.
The bottom line: If you want a 2018 Cadillac CT6, this year looks best for you when you value a lower current price and are willing to shop carefully for condition and history. If you're especially price-sensitive, the softer market and deal availability make this a reasonable year to target; if you want the cleanest possible example, be selective and prioritize well-documented listings over the cheapest one you find.
These recommendations are based on CarGurus' proprietary market data from September 29, 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.
