Used Cadillac CT6 for Sale Under $20,000
120 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Phantom Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 118,436
- Stock #:
- 26E1458W
- VIN:
- 1G6KD5RS9HU201112
New arrival
2017 Cadillac CT6
3.6L Luxury AWD
118,436 mi
Dearborn, MI
Fair Deal
$16,609
- 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
Mechanicsburg, PA
Good Deal
$17,956
- 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:
- 104,205
- Stock #:
- 162597
- VIN:
- 1G6KK5R60GU152597
2016 Cadillac CT6
3.0TT Platinum AWD
104,205 mi
Morristown, TN
Good Deal
$18,987
- 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:
- 108,725
- Stock #:
- HS0120
- VIN:
- 1G6KC5RX5HU130120
2017 Cadillac CT6
2.0T Luxury RWD
108,725 mi
Holly Springs, MS
Fair Deal
$17,450
- 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
Price drop
-$1,000
2019 Cadillac CT6
3.6L Premium Luxury AWD
116,609 mi
Tucson, AZ
Great Deal
$20,579
$19,579
- 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:
- Automatic
- Mileage:
- 122,497
- Stock #:
- HP13974
- VIN:
- 1G6KD5RS3HU142722
2017 Cadillac CT6
3.6L Luxury AWD
122,497 mi
Savannah, GA
Great Deal
$14,421
- Year:
- 2017
- 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:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 90,259
- Stock #:
- 1354
- VIN:
- 1G6KB5RS7HU124679
2017 Cadillac CT6
3.6L AWD
90,259 mi
San Antonio, TX
Fair Deal
$18,220
- Year:
- 2016
- 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:
- 124,454
- Stock #:
- C2960N
- VIN:
- 1G6KF5RS5GU163029
2016 Cadillac CT6
3.6L Premium Luxury AWD
124,454 mi
Lansing, MI
Good Deal
$15,180
- Year:
- 2017
- 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:
- 8-Speed Automatic
- Mileage:
- 89,589
- Stock #:
- 171263
- VIN:
- 1G6KD5RSXHU171263
2017 Cadillac CT6
3.6L Luxury AWD
89,589 mi
Las Vegas, NV
Fair Deal
$19,494
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Phantom Gray Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 94,838
- Stock #:
- A3033
- VIN:
- 1G6KL5RS8HU190722
2017 Cadillac CT6
3.6L Platinum AWD
94,838 mi
Cedar City, UT
Great Deal
$19,589
- Year:
- 2016
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 265 hp 2L I4
- Exterior color:
- Gray (Graphite Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 79,422
- Stock #:
- 3474
- VIN:
- 1G6KA5RX8GU132576
2016 Cadillac CT6
2.0T RWD
79,422 mi
Norfolk, VA
Fair Deal
$18,845
- 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:
- Black (Jet Blk)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 96,500
- Stock #:
- 26803A
- VIN:
- 1G6KA5RX3JU159806
New arrival
2018 Cadillac CT6
2.0T RWD
96,500 mi
Houston, TX
Fair Deal
$19,224
- Year:
- 2016
- 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
- Transmission:
- Automatic
- Mileage:
- 114,473
- Stock #:
- 4330
- VIN:
- 1G6KB5RS5GU157758
2016 Cadillac CT6
3.6L AWD
114,473 mi
Kansas City, KS
Fair Deal
$16,298
- 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:
- Automatic
- Mileage:
- 95,593
- Stock #:
- 26-20
- VIN:
- 1G6KB5RS8JU113468
2018 Cadillac CT6
3.6L AWD
95,593 mi
Saint Louis, MI
Fair Deal
$19,715
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 265 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (LIGHT PLATINUM WITH JET BLACK ACCENTS)
- Transmission:
- Automatic
- Mileage:
- 92,501
- Stock #:
- 157997
- VIN:
- 1G6KC5RX4JU103593
2018 Cadillac CT6
2.0T Luxury RWD
92,501 mi
West Palm Beach, FL
Good Deal
$18,299
- Year:
- 2016
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 404 hp 3L V6
- Exterior color:
- Gray (Graphite Metallic)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 92,397
- Stock #:
- B6034B
- VIN:
- 1G6KG5R62GU166678
2016 Cadillac CT6
3.0TT Premium Luxury AWD
92,397 mi
Renton, WA
Good Deal
$18,695
- 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:
- 104,917
- Stock #:
- T26738A
- VIN:
- 1G6KE5R62GU166007
New arrival
2016 Cadillac CT6
3.0TT Luxury AWD
104,917 mi
Wellington, OH
Fair Deal
$18,898
- Year:
- 2016
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 265 hp 2L I4
- Exterior color:
- Red Passion Tintcoat
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (LIGHT PLATINUM WITH JET BLACK ACCENTS)
- Transmission:
- Automatic
- Mileage:
- 65,864
- Stock #:
- 158134
- VIN:
- 1G6KC5RX4GU156349
2016 Cadillac CT6
2.0T Luxury RWD
65,864 mi
Margate, FL
Good Deal
$19,399
- 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:
- With High Gloss Twill Weave Carbon Fiber Trim/rave
- Transmission:
- 8-Speed Automatic
- Mileage:
- 92,169
- Stock #:
- 12654A
- VIN:
- 1G6KD5RS7HU148023
2017 Cadillac CT6
3.6L Luxury AWD
92,169 mi
Girard, PA
Fair Deal
$19,495
- Year:
- 2017
- Make:
- Cadillac
- Model:
- CT6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3.6L V6
- Exterior color:
- Dark Adriatic Blue Metallic
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray (Light Platinum with)
- Transmission:
- Automatic
- Mileage:
- 89,113
- Stock #:
- M-154422
- VIN:
- 1G6KD5RS7HU154422
Price drop
-$750
2017 Cadillac CT6
3.6L Luxury AWD
89,113 mi
East Windsor, CT
Good Deal
$19,650
$18,900
- Year:
- 2016
- 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:
- Orange
- Transmission:
- 8-Speed Automatic
- Mileage:
- 129,350
- Stock #:
- 6916
- VIN:
- 1G6KD5RS1GU149991
2016 Cadillac CT6
3.6L Luxury AWD
129,350 mi
Shelby Charter Twp, MI
Fair Deal
$15,999
- 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
- Transmission:
- 8-Speed Automatic
- Mileage:
- 134,991
- Stock #:
- 6917
- VIN:
- 1G6KD5RS1HU128625
2017 Cadillac CT6
3.6L Luxury AWD
134,991 mi
Shelby Charter Twp, MI
Fair Deal
$17,119
- Year:
- 2016
- 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:
- 8-Speed Automatic
- Mileage:
- 83,869
- Stock #:
- G867
- VIN:
- 1G6KF5RS8GU159489
Price drop
-$400
2016 Cadillac CT6
3.6L Premium Luxury AWD
83,869 mi
Addison, IL
Good Deal
$19,362
$18,962
- Year:
- 2016
- 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:
- 108,309
- Stock #:
- CU8213
- VIN:
- 1G6KD5RS8GU167386
2016 Cadillac CT6
3.6L Luxury AWD
108,309 mi
Woodbridge, VA
Fair Deal
$17,291
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