Used Cadillac CT4 for Sale in Boulder, CO
Buy a luxurious Cadillac CT4 in the county seat of Boulder County, Colorado
Skip to Filters
44 listings
- Price Drop$29,795fair price$535 below market
- 44,654 miles
- No accidents, 2 owners, personal use only
- 23 City / 34 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
Close
Located in Troy, MI / 1,152 miles away from Boulder, CO
Rare Find,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Keyless Start,Lane Keeping Assist,Remote Start,Satellite Radio,Turbo/...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DG5RKXN0119165
Stock: N0119165PM
Certified Pre-Owned: No - New Listing$52,998
- 2,254 miles
- No accidents, 1 owner, personal use only
- 20 City / 29 Hwy MPG
- CarMax (In-stock online)
- Transfer available from MD to CO*
Close
Located in Gaithersburg, MD / 1,487 miles away from Boulder, CO
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
23 Combined MPG (20 City/29 Highway)
Listing Information:
VIN: 1G6DH5RL0S0109777
Stock: 27256286
Certified Pre-Owned: No - New Listing$30,590fair price
- 17,947 miles
- Carvana (In-stock online)
- Home delivery*
Close
Located in Dallas, TX / 687 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary Unavailable.
Features and Specs:
Listing Information:
VIN: 1G6DF5RL4M0106535
Stock: 2003626050
Certified Pre-Owned: No
Listed since: 04-06-2025 - New Listing
- 9,069 miles
- No accidents, 1 owner, personal use
- 22 City / 32 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
Close
Located in Cranberry, PA / 1,320 miles away from Boulder, CO
CarFax No Accidents Reported,CarFax 1-Owner,Rare Find,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Keyless Start,Lane Keeping Assist,Navi...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
26 Combined MPG (22 City/32 Highway)
Listing Information:
VIN: 1G6DK5RK8S0102259
Stock: T102259P
Certified Pre-Owned: No - 19,083 miles
- No accidents, 1 owner, personal use only
- 22 City / 32 Hwy MPG
- CarMax (In-stock online)
- Transfer available from TX to CO*
Close
Located in Richmond, TX / 904 miles away from Boulder, CO
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
26 Combined MPG (22 City/32 Highway)
Listing Information:
VIN: 1G6DA5RK5R0131862
Stock: 27480218
Certified Pre-Owned: No- $56,990fair price
- 21,688 miles
- No accidents, 2 owners, personal use only
- 15 City / 23 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Dallas, TX / 687 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
18 Combined MPG (15 City/23 Highway)
Listing Information:
VIN: 1G6DL5RP5P0411042
Stock: 2003623205
Certified Pre-Owned: No
Listed since: 04-02-2025 - $43,998
- 20,205 miles
- No accidents, 2 owners, personal use only
- 20 City / 29 Hwy MPG
- CarMax (In-stock online)
- Transfer available from NC to CO*
Close
Located in Greensboro, NC / 1,401 miles away from Boulder, CO
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
23 Combined MPG (20 City/29 Highway)
Listing Information:
VIN: 1G6DD5RL7P0110413
Stock: 27097292
Certified Pre-Owned: No - 41,222 miles
- No accidents, 1 owner, rental vehicle
- 23 City / 34 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Philadelphia, PA / 1,583 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DB5RK6P0127927
Stock: 2003713872
Certified Pre-Owned: No
Listed since: 05-05-2025- Price Drop
- 53,327 miles
- No accidents, 1 owner, corporate fleet vehicle
- 23 City / 34 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in New York City, NY / 1,636 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DB5RK6P0125496
Stock: 2003718758
Certified Pre-Owned: No
Listed since: 05-15-2025 - 15,535 miles
- 1 accident, 1 owner, personal use only
- 23 City / 34 Hwy MPG
- CarMax (In-stock online)
- Transfer available from TN to CO*
Close
Located in Knoxville, TN / 1,179 miles away from Boulder, CO
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary
Accident Free Vehicle: No
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DJ5RK9P0148094
Stock: 27204736
Certified Pre-Owned: No- Price Drop
- 10,470 miles
- No accidents, 1 owner, personal use only
- 15 City / 23 Hwy MPG
- Rocky Mountain Eurosport (44 mi away)
Close
Located in Parker, CO / 44 miles away from Boulder, CO
Priced below KBB Fair Purchase Price! CARFAX One-Owner. Clean CARFAX. Summit White 2023 Cadillac CT4 V-Series RWD 3.6L V6 10-Speed AutomaticExtended W...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
18 Combined MPG (15 City/23 Highway)
Listing Information:
VIN: 1G6DL5RP0P0410249
Stock: P0410249
Certified Pre-Owned: No
Listed since: 04-12-2025 - New Listing
- 9,263 miles
- No accidents, 1 owner, personal use only
- 22 City / 32 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Cincinnati, OH / 1,101 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
26 Combined MPG (22 City/32 Highway)
Listing Information:
VIN: 1G6DE5RK7R0128840
Stock: 2003743922
Certified Pre-Owned: No
Listed since: 05-23-2025 - New Listing$36,998
- 24,055 miles
- 20 City / 29 Hwy MPG
- CarMax (In-stock online)
- Transfer available from GA to CO*
Close
Located in Roswell, GA / 1,220 miles away from Boulder, CO
CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...
AutoCheck Vehicle History Summary Unavailable.
Features and Specs:
23 Combined MPG (20 City/29 Highway)
Listing Information:
VIN: 1G6DD5RLXN0125307
Stock: 26915826
Certified Pre-Owned: No - 50,096 miles
- No accidents, 1 owner, rental vehicle
- 23 City / 34 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Phoenix, AZ / 589 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DB5RK3P0120756
Stock: 2003751511
Certified Pre-Owned: No
Listed since: 05-19-2025- $34,590
- 36,322 miles
- No accidents, 2 owners, personal use only
- 23 City / 34 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Dallas, TX / 687 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DC5RKXP0115163
Stock: 2003730231
Certified Pre-Owned: No
Listed since: 05-14-2025 - New Listing
- 51,406 miles
- No accidents, 2 owners, rental vehicle
- 23 City / 34 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Columbus, OH / 1,171 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DB5RK0M0145786
Stock: 2003759042
Certified Pre-Owned: No
Listed since: 05-24-2025 - New Listing
- 6,947 miles
- 22 City / 32 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Charlotte, NC / 1,371 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary Unavailable.
Features and Specs:
26 Combined MPG (22 City/32 Highway)
Listing Information:
VIN: 1G6DA5RK2R0124237
Stock: 2003664807
Certified Pre-Owned: No
Listed since: 05-28-2025 - 47,495 miles
- No accidents, 1 owner, rental vehicle
- 23 City / 34 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Dallas, TX / 687 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: Yes
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DB5RK6P0123148
Stock: 2003710519
Certified Pre-Owned: No
Listed since: 05-05-2025- New Listing
- 15,715 miles
- 15 City / 23 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Sacramento, CA / 874 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary Unavailable.
Features and Specs:
18 Combined MPG (15 City/23 Highway)
Listing Information:
VIN: 1G6DL5RP0P0210004
Stock: 2003667742
Certified Pre-Owned: No
Listed since: 04-28-2025 - 38,120 miles
- 1 accident, 2 owners, rental vehicle
- 23 City / 34 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Chicago, IL / 886 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: No
Personal Use Only: No
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DB5RK8M0146376
Stock: 2003630080
Certified Pre-Owned: No
Listed since: 04-07-2025- 36,026 miles
- 1 accident, 1 owner, personal use only
- 23 City / 34 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in San Antonio, TX / 829 miles away from Boulder, CO
At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...
AutoCheck Vehicle History Summary
Accident Free Vehicle: No
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Clean Title
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
27 Combined MPG (23 City/34 Highway)
Listing Information:
VIN: 1G6DJ5RK6M0148002
Stock: 2003739193
Certified Pre-Owned: No
Listed since: 05-17-2025
Showing 22 - 42 out of 44 listings
Filters
Skip to ResultsApplied Filters4Active
Make & Model
Year
New / Used
Price & Payments
Price Rating
Trim
Mileage
Accidents & History
Engine & Drivetrain
Exterior Color
Interior Color
Total Seating
Edmunds Review
Features
Options & Packages
MPG
* Delivery of any kind does not apply to Alaska and Hawaii. Contact the dealer for delivery details, restrictions and costs.