Used Cadillac CT4 for Sale Under $20,000
22 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Jet Black Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 102,234
- Stock #:
- 13A1845
- VIN:
- 1G6DF5RK8M0130618
2021 Cadillac CT4
Premium Luxury AWD
102,234 mi
Abrams, WI
Fair Deal
$19,995
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Whisper Beige with Jet Black accents)
- Transmission:
- Automatic
- Mileage:
- 82,354
- Stock #:
- T06792B
- VIN:
- 1G6DA5RK4L0152628
Price drop
-$600
2020 Cadillac CT4
Luxury RWD
82,354 mi
Durham, NC
Good Deal
$20,399
$19,799
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Crystal White Tricoat
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black with Jet Black accents
- Transmission:
- Automatic
- Mileage:
- 88,030
- Stock #:
- 103151A
- VIN:
- 1G6DK5RK1L0140272
Price drop
-$13,770
2020 Cadillac CT4
Luxury AWD
88,030 mi
Columbia City, IN
Fair Deal
$33,246
$19,476
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Crystal White Tricoat
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Jet Black Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 103,609
- Stock #:
- CM2589
- VIN:
- 1G6DC5RK0L0136307
2020 Cadillac CT4
Sport RWD
103,609 mi
Tipton, IN
Great Deal
$17,836
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 115,609
- Stock #:
- P2564
- VIN:
- 1G6DA5RK6M0146833
2021 Cadillac CT4
Luxury RWD
115,609 mi
Fort Worth, TX
Fair Deal
$16,420
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 108,223
- Stock #:
- 19780
- VIN:
- 1G6DF5RKXM0126196
2021 Cadillac CT4
Premium Luxury AWD
108,223 mi
Lansing, MI
Fair Deal
$19,275
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 72,891
- Stock #:
- 11-9497
- VIN:
- 1G6DJ5RK7M0134237
2021 Cadillac CT4
Luxury RWD
72,891 mi
West Bridgewater, MA
Great Deal
$18,996
- Year:
- 2022
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 310 hp 2.7L I4
- Exterior color:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- Automatic
- Mileage:
- 95,509
- Stock #:
- 113118-18
- VIN:
- 1G6DF5RLXN0113118
2022 Cadillac CT4
Premium Luxury AWD
95,509 mi
Wood-Ridge, NJ
Great Deal
$19,794
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 87,227
- Stock #:
- CU7574
- VIN:
- 1G6DK5RKXL0134552
2020 Cadillac CT4
Luxury AWD
87,227 mi
Fairfax, VA
Good Deal
$18,996
- Year:
- 2022
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 235 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Whisper Beige With Jet Black Accents)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 91,633
- Stock #:
- 15352A
- VIN:
- 1G6DB5RK8N0119549
Price drop
-$513
2022 Cadillac CT4
Premium Luxury RWD
91,633 mi
Daytona Beach, FL
Great Deal
$18,504
$17,991
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- Automatic
- Mileage:
- 72,553
- Stock #:
- L0154776
- VIN:
- 1G6DF5RK5L0154776
2020 Cadillac CT4
Premium Luxury AWD
72,553 mi
Manassas Park, VA
Great Deal
$19,890
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- White
- Transmission:
- 8-Speed Automatic
- Mileage:
- 125,662
- VIN:
- 1G7DB5RK1M0119990
2021 Cadillac CT4
Premium Luxury RWD
125,662 mi
Jefferson, GA
Great Deal
$15,098
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 103,945
- Stock #:
- 137362
- VIN:
- 1G6DA5RK5L0137362
Photos coming soon
2020 Cadillac CT4
Luxury RWD
103,945 mi
Houston, TX
Good Deal
$16,214
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 96,100
- Stock #:
- 148058
- VIN:
- 1G6DJ5RK0M0148058
Photos coming soon
2021 Cadillac CT4
Luxury RWD
96,100 mi
El Paso, TX
Great Deal
$16,378
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 75,034
- Stock #:
- 156044
- VIN:
- 1G6DF5RK7L0156044
2020 Cadillac CT4
Premium Luxury AWD
75,034 mi
Sacramento, CA
Great Deal
$18,995
- Year:
- 2023
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 235 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 101,440
- Stock #:
- 115434
- VIN:
- 1G6DJ5RK7P0115434
2023 Cadillac CT4
Luxury RWD
101,440 mi
Miramar, FL
Great Deal
$17,798
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 99,974
- Stock #:
- 19337
- VIN:
- 1G6DF5RK0L0136931
2020 Cadillac CT4
Premium Luxury AWD
99,974 mi
Haddon Township, NJ
No Rating
$17,638
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 38,769
- Stock #:
- 119609
- VIN:
- 1G6DA5RK9M0119609
2021 Cadillac CT4
Luxury RWD
38,769 mi
Tampa, FL
No Rating
$19,889
- Year:
- 2023
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 235 hp 2L I4
- Exterior color:
- [GBA] Black Raven
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 68,791
- VIN:
- 1G6DC5RK0P0113437
![[GBA] Black Raven 2023 Cadillac CT4 Sedan Rear-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/09/19/08/59/2023_cadillac_ct4-pic-9205839484740477562-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2023 Cadillac CT4
Sport RWD
68,791 mi
Mooresville, NC
No Rating
$19,950
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 103,380
- Stock #:
- 3470
- VIN:
- 1G6DJ5RK6L0141890
2020 Cadillac CT4
Luxury RWD
103,380 mi
Marietta, OH
No Rating
$17,999
- Year:
- 2023
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 235 hp 2L I4
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 104,879
- Stock #:
- 110345
- VIN:
- 1G6DB5RK9P0110345
2023 Cadillac CT4
Premium Luxury RWD
104,879 mi
Lawrenceville, GA
No Rating
$17,798
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Mileage:
- 122,393
- Stock #:
- 108888
- VIN:
- 1G6DJ5RK6M0108888
New arrival
2021 Cadillac CT4
Luxury RWD
122,393 mi
Greenville, SC
High Priced
$17,950
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