(opens in new window)
Sign In
Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
Research & Tools
Helpful Links
Find Local Dealers
Best Car Deals
Best Truck Deals
Best SUV Deals
Buy Cars Online
Car Research & News
Research & Information
New & Future Models
Trim Comparisons
Car Buying Tools
Buying & Selling Tips
Car Payment Calculator
Affordability Calculator
Car Lease Calculator
See if you can save on car insurance on KBB.com
Get a Kelley Blue Book® Instant Cash Offer
Run a free AutoCheck Vehicle History Report with Experian
AI Mode
Beta
Home
Used Cars
New Cars
Private Seller Cars
Sell My Car
Instant Cash Offer
Research & Tools
AI Mode
Beta
Skip to vehicle Listings
Online car buying built around you.
Shop Now
Used Cars for Sale
Cadillac
XT6
Luxury
Used Cadillac XT6 Luxury for Sale in O Fallon, MO
63366
Filters (4)
Items 1 to 2 of 5.
2026 and older
(3)
Front Wheel Drive
(1)
AWD/4WD
(2)
2022 and newer
(2)
Location & Delivery
Year
Price & Payments
Price
Payment
Min Price
Max Price
Price Rating
Good Price
(0)
Great Price
(2)
Price
Payment
Min Price
Max Price
Price Rating
Good Price
(0)
Great Price
(2)
Make, Model & Trim
Cadillac
Models
XT6
Allante
ATS
(3)
Brougham
Catera
Celestiq
Cimarron
CT4
(16)
CT5
(33)
CT6
(6)
CTS
(5)
De Ville
(1)
DTS
(1)
Eldorado
ELR
(1)
Escalade
(40)
Escalade ESV
(24)
Escalade EXT
(1)
Escalade IQ
(1)
Escalade IQL
Fleetwood
Lyriq
(10)
Optiq
(1)
Other Cadillac Models
Seville
SRX
(9)
STS
Vistiq
(1)
XLR
(4)
XT4
(37)
XT5
(66)
XT6
(57)
XTS
(6)
XT6 Trims
Luxury
Luxury
(3)
Premium Luxury
(35)
Sport
(19)
Luxury Package
Any
LPO, Radiant Package
LPO, Bronce Accent Package
LPO, Cargo Convenience Package
LPO, Interior Protection Package
(1)
LPO, Cadillac Edition First Aid Kit
LPO, ONYX Package
LPO, Red Accent Package
LPO, Battery Protection Package
LPO, Blue Accent Package
LPO, Floor Liner Package
LPO, Premium Carpet Package
Add Another Make
Cadillac
Models
XT6
Allante
ATS
(3)
Brougham
Catera
Celestiq
Cimarron
CT4
(16)
CT5
(33)
CT6
(6)
CTS
(5)
De Ville
(1)
DTS
(1)
Eldorado
ELR
(1)
Escalade
(40)
Escalade ESV
(24)
Escalade EXT
(1)
Escalade IQ
(1)
Escalade IQL
Fleetwood
Lyriq
(10)
Optiq
(1)
Other Cadillac Models
Seville
SRX
(9)
STS
Vistiq
(1)
XLR
(4)
XT4
(37)
XT5
(66)
XT6
(57)
XTS
(6)
XT6 Trims
Luxury
Luxury
(3)
Premium Luxury
(35)
Sport
(19)
Luxury Package
Any
LPO, Radiant Package
LPO, Bronce Accent Package
LPO, Cargo Convenience Package
LPO, Interior Protection Package
(1)
LPO, Cadillac Edition First Aid Kit
LPO, ONYX Package
LPO, Red Accent Package
LPO, Battery Protection Package
LPO, Blue Accent Package
LPO, Floor Liner Package
LPO, Premium Carpet Package
Add Another Make
Mileage
Mileage
Any
Mileage
Any
Condition
(1 selected)
New
(3)
Used
(3)
Manufacturer Certified
(0)
Third-Party Certified
(0)
New
(3)
Used
(3)
Manufacturer Certified
(0)
Third-Party Certified
(0)
Color
Loading...
Drive Type
Loading...
Body Style
Loading...
Vehicle History
Loading...
Features
Loading...
Fuel Type
Loading...
Fuel Economy
Loading...
Transmission
Loading...
Cylinders
Loading...
Engine Displacement
Loading...
Number of Seats
Loading...
Number of Doors
Loading...
Purchase Options
Seller Type
Loading...
Sponsored by Elco Cadillac
Hide
New 2025 Cadillac XT6 Sport w/ Technology Package
58,034
MSRP
$68,534
Similar Match
View Vehicles
3 Matches
Sort By:
Relevance
Price - Lowest
Price - Highest
Distance - Closest
Date - Oldest
Date - Newest
Mileage - Lowest
Mileage - Highest
Year - Oldest
Year - Newest
Sponsored
Used
2021 Cadillac XT6
Luxury
82K mi
22,995
See payment
360°
Used
2024 Cadillac XT6
Luxury
21K mi
35,655
See payment
Great Price
No Accidents
Used
2021 Cadillac XT6
Luxury
82K mi
22,995
See payment
Used
2023 Cadillac XT6
Luxury
20K mi
34,650
See payment
Great Price
No Accidents
Similar Vehicles for Sale
Used 2025 Cadillac XT6 Luxury for Sale
Used 2024 Cadillac XT6 Luxury for Sale
1 for sale
Used 2023 Cadillac XT6 Luxury for Sale
1 for sale
<!--{"relevance":[false,{"relevanceVersion":"default"}]}-->
