Used Cadillac Sedans for Sale in Boulder, CO
456 results
- Year:
- 2018
- Make:
- Cadillac
- Model:
- CTS-V
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 640 hp 6.2L V8
- Exterior color:
- Black Raven
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black W/Jet Black Accents
- Transmission:
- 8-Speed Automatic
- Mileage:
- 29,843
- Stock #:
- J0114539
- VIN:
- 1G6A15S66J0114539
Sponsored by John Elway Cadillac
2018 Cadillac CTS-V
RWD
29,843 mi
Lone Tree, CO
37 mi away
Fair Deal
$72,500
- Year:
- 2024
- Make:
- Cadillac
- Model:
- CT5
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 360 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 16,776
- Stock #:
- 17692
- VIN:
- 1G6DV5RW5R0102577
Sponsored Listing
2024 Cadillac CT5
V-Series AWD
16,776 mi
Longmont, CO
17 mi away
Fair Deal
$52,444
- Year:
- 2016
- Make:
- Cadillac
- Model:
- XTS
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 304 hp 3.6L V6
- Exterior color:
- Silver Coast Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 96,525
- Stock #:
- G9180139
- VIN:
- 2G61N5S30G9180139
Price drop
-$436
Sponsored Listing
2016 Cadillac XTS
Luxury AWD
96,525 mi
Littleton, CO
31 mi away
Fair Deal
$14,540
$14,104
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT5
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 10-Speed Automatic
- Mileage:
- 65,297
- Stock #:
- GG 127370
- VIN:
- 1G6DS5RK2L0127370
New arrival
2020 Cadillac CT5
Luxury Sedan AWD
65,297 mi
Littleton, CO
34 mi away
Good Deal
$24,000
- Year:
- 2020
- Make:
- Cadillac
- Model:
- CT5
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 50,939
- Stock #:
- TCRT149944
- VIN:
- 1G6DS5RK3L0149944
New arrival
2020 Cadillac CT5
Luxury Sedan AWD
50,939 mi
Denver, CO
16 mi away
Good Deal
$25,998
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT5
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Garnet Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Sahara Beige With Jet Black Accents)
- Transmission:
- Automatic
- Mileage:
- 31,987
- Stock #:
- ETM0114387
- VIN:
- 1G6DX5RK5M0114387
2021 Cadillac CT5
Luxury Sedan AWD
31,987 mi
Littleton, CO
32 mi away
Good Deal
$28,562
- Year:
- 2006
- Make:
- Cadillac
- Model:
- DTS
- Body type:
- Sedan
- Engine:
- 275 hp 4.6L V8
- Exterior color:
- Green
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 4-Speed Automatic
- Mileage:
- 30,136
- Stock #:
- 7378
- VIN:
- 1G6KD57Y06U231393
2006 Cadillac DTS
30,136 mi
Denver, CO
25 mi away
Good Deal
$13,790
- Year:
- 2024
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- Black Raven
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 12,659
- Stock #:
- R0122561C
- VIN:
- 1G6DG5RK3R0122561
Price drop
-$799
2024 Cadillac CT4
Sport AWD
12,659 mi
Wheat Ridge, CO
17 mi away
Great Deal
$35,696
$34,897
- Year:
- 2025
- 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:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 13,745
- Stock #:
- BL250838A
- VIN:
- 1G6DG5RK1S0108017
2025 Cadillac CT4
Sport AWD
13,745 mi
Highlands Ranch, CO
34 mi away
Good Deal
$36,798
- Year:
- 2024
- Make:
- Cadillac
- Model:
- CT5
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 35,586
- Stock #:
- 28885728
- VIN:
- 1G6DU5RK5R0101154
New arrival
2024 Cadillac CT5
Sport AWD
35,586 mi
Store transfer to Denver, CO
Price includes $999 shipping
Fair Deal
$37,997
- Year:
- 2013
- Make:
- Cadillac
- Model:
- ATS
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 272 hp 2L I4
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Transmission:
- 6-Speed Automatic
- Mileage:
- 93,315
- Stock #:
- 146556
- VIN:
- 1G6AH5SX0D0146556
New arrival
2013 Cadillac ATS
2.0T Luxury AWD
93,315 mi
Frederick, CO
17 mi away
Good Deal
$9,921
- Year:
- 2016
- Make:
- Cadillac
- Model:
- XTS
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 304 hp 3.6L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Shale W/Cocoa Accents
- Transmission:
- 6-Speed Automatic
- Mileage:
- 32,900
- Stock #:
- TI114969
- VIN:
- 2G61M5S34G9114969
2016 Cadillac XTS
Luxury FWD
32,900 mi
Home delivery from West Park, FL
Price includes $1,735 shipping
Good Deal
$18,206
- 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
Home delivery from Cedar City, UT
Price includes $674 shipping
Good Deal
$20,850
- Year:
- 2015
- Make:
- Cadillac
- Model:
- ATS
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 202 hp 2.5L I4
- Exterior color:
- Crystal White Tricoat
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black w/Jet Black Accents
- Transmission:
- Automatic
- Mileage:
- 89,816
- Stock #:
- CSA8136
- VIN:
- 1G6AA5RA2F0140511
2015 Cadillac ATS
2.5L RWD
89,816 mi
Home delivery from Stafford, VA
Price includes $2,235 shipping
Fair Deal
$12,480
- Year:
- 2023
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 235 hp 2L I4
- Exterior color:
- Black Raven
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Whisper Beige With Jet Black Accents)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 16,296
- Stock #:
- P0118551
- VIN:
- 1G6DF5RK2P0118551
New arrival
2023 Cadillac CT4
Premium Luxury AWD
16,296 mi
Lone Tree, CO
37 mi away
Good Deal
$33,291
- Year:
- 2007
- Make:
- Cadillac
- Model:
- DTS
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 275 hp 4.6L V8
- Exterior color:
- Silver
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 4-Speed Automatic
- Mileage:
- 85,324
- Stock #:
- 143572
- VIN:
- 1G6KD57Y77U143572
2007 Cadillac DTS
Luxury II FWD
85,324 mi
Denver, CO
23 mi away
Fair Deal
$8,995
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 237 hp 2L I4
- Exterior color:
- [G7C] Velocity Red
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- Automatic
- Mileage:
- 40,004
- Stock #:
- 7585A
- VIN:
- 1G6DG5RK3M0114971
![[G7C] Velocity Red 2021 Cadillac CT4 Sedan Rear-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/04/30/13/52/2021_cadillac_ct4-pic-712649105065545458-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2021 Cadillac CT4
Sport AWD
40,004 mi
Home delivery from Branford, CT
Price includes $2,541 shipping
Fair Deal
$28,534
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT5
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Jet Black Accents
- Transmission:
- Automatic
- Mileage:
- 20,436
- Stock #:
- P118082
- VIN:
- 1G6DT5RW5M0118082
New arrival
2021 Cadillac CT5
Premium Luxury Sedan AWD
20,436 mi
Longmont, CO
16 mi away
Good Deal
$36,898
- Year:
- 2016
- Make:
- Cadillac
- Model:
- ATS
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 272 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 89,986
- Stock #:
- 15161
- VIN:
- 1G6AH5RX2G0104416
2016 Cadillac ATS
2.0T Luxury AWD
89,986 mi
Englewood, CO
30 mi away
Fair Deal
$13,798
- Year:
- 2016
- Make:
- Cadillac
- Model:
- XTS
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 304 hp 3.6L V6
- Exterior color:
- Silver Coast Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 96,525
- Stock #:
- G9180139
- VIN:
- 2G61N5S30G9180139
Price drop
-$436
2016 Cadillac XTS
Luxury AWD
96,525 mi
Littleton, CO
31 mi away
Fair Deal
$14,540
$14,104
- Year:
- 2025
- 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:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 12,301
- Stock #:
- BB 119739
- VIN:
- 1G6DG5RK6S0119739
2025 Cadillac CT4
Sport AWD
12,301 mi
Littleton, CO
34 mi away
Fair Deal
$40,984
- Year:
- 2007
- Make:
- Cadillac
- Model:
- DTS
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 275 hp 4.6L V8
- Exterior color:
- Blue
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (TAN)
- Transmission:
- Automatic
- Mileage:
- 137,958
- Stock #:
- W1247
- VIN:
- 1G6KD57Y87U198452
2007 Cadillac DTS
Luxury II FWD
137,958 mi
Denver, CO
29 mi away
Fair Deal
$5,850
- Year:
- 2016
- Make:
- Cadillac
- Model:
- ATS
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Rear-Wheel Drive
- Engine:
- 272 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 60,234
- Stock #:
- 0115577
- VIN:
- 1G6AA5RX9G0115577
2016 Cadillac ATS
2.0T RWD
60,234 mi
Home delivery from West Palm Beach, FL
Price includes $2,565 shipping
Good Deal
$16,459
- Year:
- 2021
- Make:
- Cadillac
- Model:
- CT5
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black With Jet Black Accents
- Transmission:
- Automatic
- Mileage:
- 20,436
- Stock #:
- P118082
- VIN:
- 1G6DT5RW5M0118082
New arrival
Sponsored Listing
2021 Cadillac CT5
Premium Luxury Sedan AWD
20,436 mi
Longmont, CO
16 mi away
Good Deal
$36,898
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