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98 listings
- $31,590fair price
- 52,138 miles
- No accidents, 2 owners, personal use
- 18 City / 26 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
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Located in Dallas, TX / 1,613 miles away from South Portland, ME
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:
21 Combined MPG (18 City/26 Highway)
Listing Information:
VIN: 1G6KH5R68JU100611
Stock: 2003984125
Certified Pre-Owned: No
Listed since: 09-02-2025 - Price Drop$35,590fair price$726 above market
- 53,286 miles
- No accidents, 2 owners, personal use
- 18 City / 26 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
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Located in Cincinnati, OH / 801 miles away from South Portland, ME
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:
21 Combined MPG (18 City/26 Highway)
Listing Information:
VIN: 1G6KP5R63JU120493
Stock: 2004047991
Certified Pre-Owned: No
Listed since: 09-12-2025 - New Listing$39,874fair price$1,302 above market
- 30,092 miles
- No accidents, 1 owner, personal use
- 18 City / 26 Hwy MPG
- Blasius Cadillac (202 mi away)
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Located in Waterbury, CT / 202 miles away from South Portland, ME
Satin Steel Metallic 2018 Cadillac CT6 3.0L Twin Turbo Platinum AWD 8-Speed Automatic 3.0L V6 HEATED LEATHER SEATS, PANORAMIC ROOF, NAVIGATION SYSTEM/...
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:
21 Combined MPG (18 City/26 Highway)
Listing Information:
VIN: 1G6KN5R65JU100736
Stock: 51852AQ
Certified Pre-Owned: No
Listed since: 09-20-2025 - New Listing$22,500fair price$217 above market
- 82,947 miles
- 1 accident, 2 owners, personal use
- 18 City / 27 Hwy MPG
- Royal Motors INC. (357 mi away)
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Located in Voorhees, NJ / 357 miles away from South Portland, ME
Vehicle Overview KEY FEATURES AND OPTIONS Comes equipped with: Enhanced Entertainment Package, Enhanced Vision And Comfort Package, Lpo, Interior Prot...
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KD5RS2JU143334
Stock: O844
Certified Pre-Owned: No
Listed since: 09-15-2025 - 116,336 miles
- No accidents, 2 owners, personal use
- 18 City / 27 Hwy MPG
- Four Seasons Motor Group (88 mi away)
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Located in Swampscott, MA / 88 miles away from South Portland, ME
Disclaimer: Four Season Motor Group is a licensed care dealer in acting in accordance with applicable laws of the Commonwealth of Massachusetts. Pleas...
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:
22 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KJ5RSXGU164188
Stock: 164188
Certified Pre-Owned: No
Listed since: 09-06-2025- $22,900
- 93,937 miles
- No accidents, 2 owners, personal use
- 18 City / 27 Hwy MPG
- Licari Motor Car (241 mi away)
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Located in Herkimer, NY / 241 miles away from South Portland, ME
Nav System, Aluminum Wheels, Onboard Communications System, Satellite Radio, Premium Sound System, Back-Up Camera, All Wheel Drive, CADILLAC USER EXPE...
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KB5RS9JU121577
Stock: 8071B
Certified Pre-Owned: No
Listed since: 08-05-2025 - $25,900
- 90,703 miles
- No accidents, 1 owner, personal use only
- 18 City / 27 Hwy MPG
- Car City (East Windsor) (171 mi away)
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Located in East Windsor, CT / 171 miles away from South Portland, ME
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KB5RS7JU146333
Stock: JJ-146333
Certified Pre-Owned: No
Listed since: 08-19-2025 - 77,479 miles
- No accidents, 2 owners, personal use
- 18 City / 26 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
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Located in Memphis, TN / 1,199 miles away from South Portland, ME
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:
21 Combined MPG (18 City/26 Highway)
Listing Information:
VIN: 1G6KK5R67GU144707
Stock: 2003898447
Certified Pre-Owned: No
Listed since: 07-17-2025- New Listing
- 33,982 miles
- No accidents, 2 owners, personal use
- 18 City / 27 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Chicago, IL / 921 miles away from South Portland, ME
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KG5RS6JU130089
Stock: 2004095588
Certified Pre-Owned: No
Listed since: 09-19-2025 - New ListingNot Priced
- 102,777 miles
- No accidents, 2 owners, personal use
- 18 City / 27 Hwy MPG
- Rolls Auto Sales (350 mi away)
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Located in Philadelphia, PA / 350 miles away from South Portland, ME
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:
22 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KD5RS8GU163600
Stock: 18070
Certified Pre-Owned: No
Listed since: 09-05-2025 - 82,900 miles
- No accidents, 2 owners, personal use
- 18 City / 27 Hwy MPG
- Lindsay Cadillac of Alexandria (487 mi away)
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Located in Alexandria, VA / 487 miles away from South Portland, ME
BUY ONLINE-TEXT-EMAIL-CHAT-PHONE AND WE WILL DELIVER YOUR NEXT VEHICLE TO YOUR DOOR! Clean CARFAX. Certified. 4D Sedan 2020 Cadillac CT6 3.6L Premium ...
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KE5RS8LU103470
Stock: CX6165A
Certified Pre-Owned: No
Listed since: 07-14-2025- New Listing$21,590
- 93,420 miles
- 18 City / 27 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Dallas, TX / 1,613 miles away from South Portland, ME
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:
22 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KB5RS6GU166386
Stock: 2004027265
Certified Pre-Owned: No
Listed since: 08-29-2025 - 64,915 miles
- 1 accident, 2 owners, personal use only
- 31 mi est. electric range
- 23 City / 29 Hwy MPG
- CarMax (In-stock online)
- Transfer available from IL to ME*
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Located in Plainfield, IL / 922 miles away from South Portland, ME
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:
25 Combined MPG (23 City/29 Highway)
Listing Information:
VIN: LREKK5RX0JA011674
Stock: 27217409
Certified Pre-Owned: No- New Listing
- 70,350 miles
- 18 City / 27 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Charlotte, NC / 809 miles away from South Portland, ME
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:
22 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KF5RSXGU165410
Stock: 2004097325
Certified Pre-Owned: No
Listed since: 09-23-2025 - New Listing
- 61,421 miles
- 2 accidents, 1 owner, personal use
- 18 City / 27 Hwy MPG
- Rockland Auto Brokers (110 mi away)
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Located in Randolph, MA / 110 miles away from South Portland, ME
Cadillac CT6 This Cadillac CT6 is one that you really need to take out for a test drive to appreciate. Finding the right used car can create some real...
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KF5RS0JU100959
Stock: 100959
Certified Pre-Owned: No
Listed since: 09-18-2025 - 47,513 miles
- 1 accident, 2 owners, personal use
- 18 City / 27 Hwy MPG
- Pine Belt Cadillac (326 mi away)
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Located in Toms River, NJ / 326 miles away from South Portland, ME
Heated Seats, Nav System, Moonroof, Onboard Communications System, Satellite Radio, Premium Sound System, All Wheel Drive, Aluminum Wheels, CADILLAC U...
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KD5RS9JU155190
Stock: JU155190
Certified Pre-Owned: No
Listed since: 09-03-2025- Not Priced
- 116,086 miles
- No accidents, 1 owner, personal use only
- 18 City / 27 Hwy MPG
- Lindsay Cadillac of Alexandria (487 mi away)
Close
Located in Alexandria, VA / 487 miles away from South Portland, ME
BUY ONLINE-TEXT-EMAIL-CHAT-PHONE AND WE WILL DELIVER YOUR NEXT VEHICLE TO YOUR DOOR! Certified. 4D Sedan 2020 Cadillac CT6 3.6L Premium Luxury We util...
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KE5RS9LU103431
Stock: C17420B
Certified Pre-Owned: No
Listed since: 08-22-2025 - $28,990good price$961 below market
- 94,566 miles
- No accidents, 3 owners, personal use only
- 18 City / 27 Hwy MPG
- Scott Thayer Auto Sales (Used) (30 mi away)
Close
Located in Auburn, ME / 30 miles away from South Portland, ME
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KE5RS5KU123822
Stock: 123822
Certified Pre-Owned: No
Listed since: 06-23-2025 - $30,990good price$671 below market
- 76,376 miles
- No accidents, 1 owner, personal use only
- 18 City / 26 Hwy MPG
- Midway Automotive (113 mi away)
Close
Located in Abington, MA / 113 miles away from South Portland, ME
ACCIDENT FREE HISTORY REPORT, 1 OWNER CLEAN CARFAX, EXTENDED WARRANTY AVAILABLE, FINANCING AVAILABLE, 19" Multi-Spoke Alloy Wheels, 4-Wheel Disc Brake...
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:
21 Combined MPG (18 City/26 Highway)
Listing Information:
VIN: 1G6KT5R60KU124515
Stock: 30636
Certified Pre-Owned: No
Listed since: 08-08-2025 - $31,300fair price$325 below market
- 44,328 miles
- 1 accident, 2 owners, personal use
- 18 City / 27 Hwy MPG
- Otto Cadillac (191 mi away)
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Located in Albany, NY / 191 miles away from South Portland, ME
ALL WHEEL DRIVE, LOCAL TRADE, REAR VIEW CAMERA, NEW CABIN AIR FILTER, NEW ENGINE AIR FILTER, NEW REAR BRAKE PADS AND ROTORS, NEW FRONT BRAKE PADS AND ...
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:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KD5RS0KU124122
Stock: 425569A
Certified Pre-Owned: No
Listed since: 08-15-2025 - 70,985 miles
- Insurance loss reported, 3 owners, personal use only
- 18 City / 27 Hwy MPG
- CarsRus (492 mi away)
Close
Located in Fairfax, VA / 492 miles away from South Portland, ME
AutoCheck Vehicle History Summary
Accident Free Vehicle: No
Personal Use Only: Yes
History Provider: AutoCheck
Title Details: Issue reported
Salvage Vehicle: No
Frame Damage: No
Theft History: No
Lemon Status: No
Free History Report: No
Features and Specs:
21 Combined MPG (18 City/27 Highway)
Listing Information:
VIN: 1G6KB5RSXKU113702
Stock: 113702
Certified Pre-Owned: No
Listed since: 06-27-2025
Showing 64 - 84 out of 98 listings
Consumer Reviews for the Cadillac CT6
Read recent reviews for the Cadillac CT6
Fighting with GM is not easy
m300michael, 11/14/2017
2017 Cadillac CT6 Premium Luxury 4dr Sedan AWD (3.0L 6cyl Turbo 8A)
I am having issue that involves the transmission on this vehicle. On occasion the transmission shifts/lurches so hard that it feels like the vehicle was struck from the rear. I did take the vehicle in for service and dealership stated that they upgraded the computer and the problem should not re-occur. Wrong! The same issue has occurred several more times and one time my grandkids … were in the vehicle and it actually scared them when the vehicle lurched. Reading other reviews involving the Cadillac CT6 shows that I am not alone with this issue. I know that there is no perfect vehicle available on this planet but, what I fear is that the lurching may occur and cause an accident or transmission will not last long and will need to be replaced (hopefully, while under warranty).
This transmission issue is still an issue, as I have taken the vehicle back to the dealership and the dealership cannot "duplicate" the hard shift. Interesting fact is that every single person that has been in my vehicle has felt this problem and I have had it occur before and after taking the vehicle for service.
No more review necessary. GM repurchased this vehicle as of 11/15/2018 due to the issue with the transmission and their inability to either replace or repair it.
Used 2018 Cadillac CT6 in South Portland, ME Values
Estimated values
2018 Cadillac CT6 Premium Luxury 4dr Sedan AWD (3.0L 6cyl Turbo 8A) with no options
| Condition | Trade-In | Private Party | Dealer Retail |
|---|---|---|---|
| Outstanding | $21,272 | $25,179 | $28,410 |
| Clean | $20,576 | $24,329 | $27,421 |
| Average | $19,416 | $22,911 | $25,772 |
| Rough | $17,909 | $21,069 | $23,628 |
The average list price of a used 2018 Cadillac CT6 in South Portland, Maine is $28,259. The average mileage on a used Cadillac CT6 2018 for sale in South Portland, Maine is 74,121. Based on the average mileage of 74,121 for used 2018 Cadillac CT6 for sale in South Portland, ME and using an average vehicle condition rating, which means the vehicle may have a few mechanical and/or cosmetic problems and may require a considerable amount of reconditioning, we appraise the average trade-in value of a used Cadillac CT6 2018 in South Portland, Maine to be $19,416.
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