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111 listings
  • $32,725
    fair price
    $852 below market
    • 43,471 miles
    • 1 accident, 3 owners, corporate fleet vehicle
    • 18 City / 27 Hwy MPG
    • 704 Exotic Autos (187 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Huntersville, NC / 187 miles away from Charleston, SC

    4G LTE Wi-Fi Hotspot Capable, Cadillac Connected Access Capable, OnStar & Cadillac Connected Services Capable, Preferred Equipment Group 1SB, Radio: C...

    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:

    21 Combined MPG (18 City/27 Highway)

    Listing Information:

    VIN: 1G6KB5RS4LU112112
    Stock: 112112
    Certified Pre-Owned: No
    Listed since: 04-08-2025

  • New Listing
    $37,852
    fair price
    $901 above market
    • 25,781 miles
    • No accidents, 2 owners, personal use
    • 18 City / 27 Hwy MPG
    • Ferman Chrysler Jeep Dodge Ram at Cypress Creek (351 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lutz, FL / 351 miles away from Charleston, SC

    2020 Cadillac CT6 3.6L Luxury 3.6L Luxury Clean Carfax Certified, Well Maintained, Florida Owned, 4G LTE Wi-Fi Hotspot Capable, OnStar & Cadillac Conn...

    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: 1G6KB5RS8LU106927
    Stock: GS2390B
    Certified Pre-Owned: No
    Listed since: 06-14-2025

  • Stock photo**
    • 33,400 miles
    • No accidents, 2 owners, personal use
    • 18 City / 27 Hwy MPG
    • Radley Cadillac (403 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Fredericksburg, VA / 403 miles away from Charleston, SC

    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: 1G6KE5RS4LU102249
    Stock: CAP5128
    Certified Pre-Owned: No
    Listed since: 04-19-2025

  • Selling or trading in?

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  • New Listing
    • 60,189 miles
    • 18 City / 27 Hwy MPG
    • Hennessy Buick GMC (260 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Morrow, GA / 260 miles away from Charleston, SC

    Hennessy of Southlake is Proud to offer you this Exceptional 2020 Cadillac CT6, Appointed with the 3.6L Premium Luxury Trim and is finished in Red Hor...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    21 Combined MPG (18 City/27 Highway)

    Listing Information:

    VIN: 1G6KE5RS4LU102705
    Stock: S2067P
    Certified Pre-Owned: No
    Listed since: 04-24-2025

  • New Listing
    • 32,310 miles
    • 1 accident, 1 owner, personal use only
    • 18 City / 27 Hwy MPG
    • Wallace Cadillac (390 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Stuart, FL / 390 miles away from Charleston, SC

    CARFAX One-Owner. Certified. CERTIFICATION AVAILABLE FOR AN ADDITIONAL $1995.00. SEE DEALER FOR DETAILS!, 4-Wheel Disc Brakes, 4G LTE Wi-Fi Hotspot Ca...

    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: 1G6KE5RS2LU104890
    Stock: CG55925A
    Certified Pre-Owned: No
    Listed since: 05-14-2025

  • New Listing
    • 55,404 miles
    • 18 City / 27 Hwy MPG
    • Franklin Chevrolet Buick GMC (108 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Statesboro, GA / 108 miles away from Charleston, SC

    19 Multi-Spoke Alloy Wheels, 4-Wheel Disc Brakes, 4G LTE Wi-Fi Hotspot Capable, 8 Speakers, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: S...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    21 Combined MPG (18 City/27 Highway)

    Listing Information:

    VIN: 1G6KB5RS8LU108337
    Stock: P15107
    Certified Pre-Owned: No
    Listed since: 06-05-2025

Showing 106 - 111 out of 111 listings

Consumer Reviews for the Cadillac CT6

Read recent reviews for the Cadillac CT6
Overall Consumer Rating
3.8 out of 5 stars32 Reviews
Write a vehicle reviewSee all 32 reviews
  • 5 star
    (41%)
  • 4 star
    (22%)
  • 3 star
    (16%)
  • 2 star
    (19%)
  • 1 star
    (3%)
3 out of 5 stars

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.
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Used 2020 Cadillac CT6 in Charleston, SC Values

Estimated values
2020 Cadillac CT6 Luxury 4dr Sedan AWD (3.6L 6cyl 10A) with no options
ConditionTrade-InPrivate PartyDealer Retail
Outstanding$28,361$30,927$33,417
Clean$27,650$30,110$32,488
Average$26,467$28,748$30,939
Rough$24,928$26,977$28,926

The average list price of a used 2020 Cadillac CT6 in Charleston, South Carolina is $35,289. The average mileage on a used Cadillac CT6 2020 for sale in Charleston, South Carolina is 41,759. Based on the average mileage of 41,759 for used 2020 Cadillac CT6 for sale in Charleston, SC 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 2020 in Charleston, South Carolina to be $26,467.

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