Used Cadillac CT6 for Sale nearChicago, IL

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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:
Brown (Tan)
Transmission:
8-Speed Automatic
Mileage:
76,035
Stock #:
19269
VIN:
1G6KF5RS3JU123068
Black 2018 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
New arrival

Sponsored Listing

2018 Cadillac CT6

3.6L Premium Luxury AWD

76,035 mi

Lemont, IL
20 mi away
Good Deal

$23,878

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:
Jet Black
Transmission:
8-Speed Automatic
Mileage:
120,184
Stock #:
8498
VIN:
1G6KD5RS4HU205794
Radiant Silver Metallic 2017 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
Price drop

-$1,295

Sponsored Listing

2017 Cadillac CT6

3.6L Luxury AWD

120,184 mi

Evergreen Park, IL
11 mi away
Good Deal

$16,183

$14,888

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
Gray 2017 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic

 

2017 Cadillac CT6

3.0TT Premium Luxury AWD

77,313 mi

Home delivery from Garner, NC
Price includes $649 shipping
Good Deal

$20,347

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:
Gray
Transmission:
Automatic
Mileage:
6,279
Stock #:
70334240
VIN:
1G6KD5RS1JU152459
Red 2018 Cadillac CT6 Sedan All-Wheel Drive Automatic
New arrival

 

2018 Cadillac CT6

3.6L Luxury AWD

6,279 mi

Store transfer to Oak Lawn, IL
Price includes $1,899 shipping
Fair Deal

$39,897

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
White 2017 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic

 

2017 Cadillac CT6

3.0TT Platinum AWD

70,220 mi

Home delivery from Stuart, FL
Price includes $767 shipping
Fair Deal

$26,517

Customer summary

What people are saying:

4.7

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.

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
Shadow Metallic 2020 Cadillac CT6 Sedan All-Wheel Drive

 

2020 Cadillac CT6

3.6L Luxury AWD

61,798 mi

Home delivery from Pinellas Park, FL
Price includes $2,018 shipping
Fair Deal

$33,701

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
Transmission:
Automatic
Mileage:
63,704
Stock #:
X16507
VIN:
1G6KT5R66KU133249
Black 2019 Cadillac CT6 Sedan All-Wheel Drive Automatic
New arrival

 

2019 Cadillac CT6

3.0TT Platinum AWD

63,704 mi

Niles, IL
16 mi away
Good Deal

$36,400

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:
Jet Black
Transmission:
8-Speed Automatic
Mileage:
120,184
Stock #:
8498
VIN:
1G6KD5RS4HU205794
Radiant Silver Metallic 2017 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
Price drop

-$1,295

 

2017 Cadillac CT6

3.6L Luxury AWD

120,184 mi

Evergreen Park, IL
11 mi away
Good Deal

$16,183

$14,888

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:
47,225
Stock #:
28660C
VIN:
1G6KG5R6XGU152222
Black Raven 2016 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
New arrival

 

2016 Cadillac CT6

3.0TT Premium Luxury AWD

47,225 mi

Home delivery from Lilburn, GA
Price includes $878 shipping
Great Deal

$23,832

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:
108,144
Stock #:
11108
VIN:
1G6KD5RS0JU100983
Silver 2018 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
New arrival

 

2018 Cadillac CT6

3.6L Luxury AWD

108,144 mi

Home delivery from Taylor, MI
Price includes $338 shipping
Fair Deal

$18,892

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:
Brown (Tan)
Transmission:
8-Speed Automatic
Mileage:
76,035
Stock #:
19269
VIN:
1G6KF5RS3JU123068
Black 2018 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
New arrival

Sponsored Listing

2018 Cadillac CT6

3.6L Premium Luxury AWD

76,035 mi

Lemont, IL
20 mi away
Good Deal

$23,878

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:
Jet Black
Transmission:
8-Speed Automatic
Mileage:
120,184
Stock #:
8498
VIN:
1G6KD5RS4HU205794
Radiant Silver Metallic 2017 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
Price drop

-$1,295

Sponsored Listing

2017 Cadillac CT6

3.6L Luxury AWD

120,184 mi

Evergreen Park, IL
11 mi away
Good Deal

$16,183

$14,888

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
Gray 2017 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic

 

2017 Cadillac CT6

3.0TT Premium Luxury AWD

77,313 mi

Home delivery from Garner, NC
Price includes $649 shipping
Good Deal

$20,347

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:
Gray
Transmission:
Automatic
Mileage:
6,279
Stock #:
70334240
VIN:
1G6KD5RS1JU152459
Red 2018 Cadillac CT6 Sedan All-Wheel Drive Automatic
New arrival

 

2018 Cadillac CT6

3.6L Luxury AWD

6,279 mi

Store transfer to Oak Lawn, IL
Price includes $1,899 shipping
Fair Deal

$39,897

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
White 2017 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic

 

2017 Cadillac CT6

3.0TT Platinum AWD

70,220 mi

Home delivery from Stuart, FL
Price includes $767 shipping
Fair Deal

$26,517

Customer summary

What people are saying:

4.7

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.

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
Shadow Metallic 2020 Cadillac CT6 Sedan All-Wheel Drive

 

2020 Cadillac CT6

3.6L Luxury AWD

61,798 mi

Home delivery from Pinellas Park, FL
Price includes $2,018 shipping
Fair Deal

$33,701

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
Transmission:
Automatic
Mileage:
63,704
Stock #:
X16507
VIN:
1G6KT5R66KU133249
Black 2019 Cadillac CT6 Sedan All-Wheel Drive Automatic
New arrival

 

2019 Cadillac CT6

3.0TT Platinum AWD

63,704 mi

Niles, IL
16 mi away
Good Deal

$36,400

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:
Jet Black
Transmission:
8-Speed Automatic
Mileage:
120,184
Stock #:
8498
VIN:
1G6KD5RS4HU205794
Radiant Silver Metallic 2017 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
Price drop

-$1,295

 

2017 Cadillac CT6

3.6L Luxury AWD

120,184 mi

Evergreen Park, IL
11 mi away
Good Deal

$16,183

$14,888

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:
47,225
Stock #:
28660C
VIN:
1G6KG5R6XGU152222
Black Raven 2016 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
New arrival

 

2016 Cadillac CT6

3.0TT Premium Luxury AWD

47,225 mi

Home delivery from Lilburn, GA
Price includes $878 shipping
Great Deal

$23,832

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:
108,144
Stock #:
11108
VIN:
1G6KD5RS0JU100983
Silver 2018 Cadillac CT6 Sedan All-Wheel Drive 8-Speed Automatic
New arrival

 

2018 Cadillac CT6

3.6L Luxury AWD

108,144 mi

Home delivery from Taylor, MI
Price includes $338 shipping
Fair Deal

$18,892

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 YearCurrent Avg. PriceYear-Round Range
2020$33,100$32,885 – $35,564
2019$28,008$27,227 – $29,204
2018$22,734$22,734 – $24,119
2017$18,623$18,183 – $20,448
2016$17,323$17,323 – $20,551

The Cadillac CT6's current nationwide average price is $21,307, and its lowest point over the past year was $21,122. 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 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 its luxurious feel, smooth ride, and powerful performance. They also frequently highlight its advanced technology and spacious interior.

35.7% of listings are priced as good or great deals.

Are Cadillac CT6 models reliable?

Owners consistently praise the Cadillac CT6 for its smooth ride, luxury feel, and strong performance, and expert feedback also points to a refined driving experience. Across the model years, reviews often call out the spacious cabin and advanced technology as standout 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, used buyers should plan carefully for maintenance and inspect service history closely.

What should I look for when buying a used Cadillac CT6?

Across all model years, at 60.1% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.

Model YearAccident-Free %
202063.3%
201960.8%
201858.9%
201759%
201659.3%

What Cadillac CT6 do most buyers choose?

The Cadillac CT6 years with the most listings are 2017, 2018, and 2019.

Model YearTotal ListingsGood + Great Deals %
201727135.1%
201827035.9%
201918937.6%
201617233.7%
20209037.8%

These 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, mileage, and deal quality.

What is the Cadillac CT6's resale value?

Model YearCurrent Avg. PriceYear-Over-Year Change
2017$18,623−8.91%
2016$17,323−7.43%
2018$22,734−5.74%
2020$33,100−3.52%
2019$28,008−2.2%

Prices are down across every model year shown, which creates more room for used buyers to find value. The largest drops are in the older years, while the newer years have moved down more modestly. That pattern gives you a wider spread of price points to shop from.

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 −2.2% versus a year ago, and the 2018 model is at −5.74%.
  • Deal availability: The 2019 model has 37.6% good and great deals, and the 2018 model has 35.9%.
  • Sweet-spot year: The 2017 model has the most listings at a current average price of $18,623.

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 2027 BMW 7 Series?

Spec2020 Cadillac CT62027 BMW 7 Series
Starting MSRP$58,995$99,800
Listings available90317
Good & great deal share37.8%33.1%
Accident-free share63.3%96.2%

These recommendations are based on CarGurus' proprietary market data from November 3, 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.

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