Used Cadillac XT6 for Sale in Boulder, CO
Shop for a luxurious Cadillac XT6 in the county seat of Boulder County, Colorado
Skip to Filters
144 listings
- $43,977great price$4,106 below market
- 30,245 miles
- No accidents, 1 owner, rental vehicle
- 7 Seats, 18 City / 25 Hwy MPG
- ClearShift (38 mi away)
Close
Located in Highlands Ranch, CO / 38 miles away from Boulder, CO
This 2024 Cadillac XT6 Premium Luxury offers a refined blend of style, comfort, and advanced technology. Powered by a 3.6L V6 engine, it delivers smoo...
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:
21 Combined MPG (18 City/25 Highway)
Listing Information:
VIN: 1GYKPDRS6RZ725427
Stock: JV725427
Certified Pre-Owned: No
Listed since: 04-30-2025 - Price Drop$34,605fair price$225 below market
- 34,339 miles
- No accidents, 1 owner, personal use only
- 6 Seats, 17 City / 24 Hwy MPG
- Audi Flatirons (11 mi away)
- Home delivery*
Close
Located in Broomfield, CO / 11 miles away from Boulder, CO
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:
20 Combined MPG (17 City/24 Highway)
Listing Information:
VIN: 1GYKPGRS3LZ147960
Stock: LZ147960
Certified Pre-Owned: No
Listed since: 04-09-2025 - New Listing$36,998fair price$345 below market
- 37,480 miles
- No accidents, 1 owner, rental vehicle
- 7 Seats, 19 City / 26 Hwy MPG
- CarMax West 104th Ave (17 mi away)
Close
Located in Federal Heights, CO / 17 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: 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 (19 City/26 Highway)
Listing Information:
VIN: 1GYKPCRSXPZ162633
Stock: 26868869
Certified Pre-Owned: No - New Listing$30,998fair price$293 above market
- 77,942 miles
- 6 Seats, 17 City / 24 Hwy MPG
- CarMax Parker (44 mi away)
Close
Located in Parker, CO / 44 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:
20 Combined MPG (17 City/24 Highway)
Listing Information:
VIN: 1GYKPHRS6LZ105238
Stock: 27229310
Certified Pre-Owned: No - New Listing
- 24,200 miles
- No accidents, 1 owner, personal use
- 6 Seats, 18 City / 25 Hwy MPG
- CarMax South Broadway (35 mi away)
Close
Located in Littleton, CO / 35 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:
21 Combined MPG (18 City/25 Highway)
Listing Information:
VIN: 1GYKPGRS3PZ136530
Stock: 27212207
Certified Pre-Owned: No - $31,287fair price$1,453 above market
- 45,997 miles
- No accidents, 2 owners, corporate fleet vehicle
- 7 Seats, 17 City / 24 Hwy MPG
- Grand Valley Auto Lakewood (25 mi away)
Close
Located in Lakewood, CO / 25 miles away from Boulder, CO
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:
20 Combined MPG (17 City/24 Highway)
Listing Information:
VIN: 1GYKPDRS9LZ151395
Stock: G5747
Certified Pre-Owned: No
Listed since: 01-15-2025 - New Listing$44,495fair price$1,097 below market
- 32,819 miles
- 1 accident, 1 owner, rental vehicle
- 7 Seats, 18 City / 25 Hwy MPG
- United Automotive (26 mi away)
Close
Located in Denver, CO / 26 miles away from Boulder, CO
CARFAX ONE OWNER• 4x4 • 3rd Row Seating • V-6 Power • Premium Luxury Package • Only 32k Miles • Leather Loaded • Backup Camera • Bluet...
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/25 Highway)
Listing Information:
VIN: 1GYKPDRS4RZ727256
Stock: 727256
Certified Pre-Owned: No
Listed since: 05-02-2025 - New Listing
- 19,196 miles
- No accidents, 1 owner, rental vehicle
- 7 Seats, 18 City / 25 Hwy MPG
- Foundation Chevrolet (21 mi away)
Close
Located in Wheat Ridge, CO / 21 miles away from Boulder, CO
THIS VEHICLE NICELY EQUIPPED WITH : Radio: Cadillac User Experience w/Embedded Nav (Bose Performance Series Audio System and SiriusXM w/360L), XT6 Pre...
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:
21 Combined MPG (18 City/25 Highway)
Listing Information:
VIN: 1GYKPDRS7RZ728062
Stock: RZ728062A
Certified Pre-Owned: No
Listed since: 05-20-2025 - Price Drop$48,998great price$5,508 below market
- 19,577 miles
- No accidents, 1 owner, personal use
- 7 Seats, 18 City / 25 Hwy MPG
- CarMax (In-stock online)
- Transfer available from IL to CO*
Close
Located in Schaumburg, IL / 901 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:
21 Combined MPG (18 City/25 Highway)
Listing Information:
VIN: 1GYKPHRS9RZ722061
Stock: 27345076
Certified Pre-Owned: No - $38,750great price$2,955 below market
- 18,666 miles
- No accidents, 2 owners, personal use
- 7 Seats, 21 City / 26 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
Close
Located in Plymouth, MI / 1,137 miles away from Boulder, CO
Rare Find,3rd Row Seat,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Heated Seats,Keyless Start,Lane Keeping Assist,Premium S...
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 (21 City/26 Highway)
Listing Information:
VIN: 1GYKPBR44RZ714352
Stock: RZ714352A
Certified Pre-Owned: Yes - $46,110great price$4,898 below market
- 5,340 miles
- No accidents, personal use only
- 7 Seats, 21 City / 26 Hwy MPG
- Rickenbaugh Cadillac (27 mi away)
Close
Located in Denver, CO / 27 miles away from Boulder, CO
RIGHT CAR- RIGHT PRICE- RIGHT NOW, NO HASSLE BUYING EXPERIENCE Preferred Equipment Group 1SB (Teen Driver), 18 Multi-Spoke Alloy Wheels, 3rd row seats...
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 (21 City/26 Highway)
Listing Information:
VIN: 1GYKPBR47SZ111899
Stock: SZ111899
Certified Pre-Owned: No
Listed since: 02-11-2025 - New Listing$33,000great price$4,503 below market
- 32,330 miles
- No accidents, 2 owners, personal use only
- 6 Seats, 17 City / 24 Hwy MPG
- Jake Sweeney Express (In-stock online)
- Home delivery*
Close
Located in Cincinnati, OH / 1,101 miles away from Boulder, CO
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:
20 Combined MPG (17 City/24 Highway)
Listing Information:
VIN: 1GYKPFRS7LZ186271
Stock: C38489
Certified Pre-Owned: No
Listed since: 05-20-2025 - Price Drop$45,490good price$4,266 below market
- 7,894 miles
- No accidents, 1 owner, personal use
- 6 Seats, 18 City / 25 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
Close
Located in Troy, MI / 1,152 miles away from Boulder, CO
3rd Row Seat,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Hands-Free Liftgate,Heated Seats,Heated Steering Wheel,Keyless Sta...
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/25 Highway)
Listing Information:
VIN: 1GYKPDRSXRZ703737
Stock: RZ703737TA
Certified Pre-Owned: Yes - Price Drop$46,490good price$2,335 below market
- 11,163 miles
- No accidents, 1 owner, personal use only
- 6 Seats, 18 City / 25 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
Close
Located in Twin Falls, ID / 512 miles away from Boulder, CO
CarFax No Accidents Reported,CarFax 1-Owner,Low Mileage,High Demand,Rare Find,3rd Row Seat,Apple CarPlay,Automatic Parking,Back-Up Camera,Blind Spot M...
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/25 Highway)
Listing Information:
VIN: 1GYKPDRS6PZ142076
Stock: PZ142076T
Certified Pre-Owned: No - Price Drop$29,998good price$2,454 below market
- 75,160 miles
- No accidents, 2 owners, personal use only
- 7 Seats, 17 City / 24 Hwy MPG
- CarMax (In-stock online)
- Transfer available from VA to CO*
Close
Located in Sterling, VA / 1,475 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:
20 Combined MPG (17 City/24 Highway)
Listing Information:
VIN: 1GYKPHRS6LZ144556
Stock: 27275394
Certified Pre-Owned: No - $37,998good price$2,009 below market
- 37,326 miles
- No accidents, 1 owner, personal use only
- 7 Seats, 18 City / 25 Hwy MPG
- CarMax (In-stock online)
- Transfer available from FL to CO*
Close
Located in Miami Lakes, FL / 1,733 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:
21 Combined MPG (18 City/25 Highway)
Listing Information:
VIN: 1GYKPFRS1NZ109771
Stock: 27361322
Certified Pre-Owned: No - New Listing$42,998fair price
- 15,310 miles
- No accidents, 1 owner, personal use
- 6 Seats, 19 City / 26 Hwy MPG
- CarMax (In-stock online)
- Transfer available from TX to CO*
Close
Located in Fort Worth, TX / 670 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:
21 Combined MPG (19 City/26 Highway)
Listing Information:
VIN: 1GYKPCRSXPZ216965
Stock: 27166035
Certified Pre-Owned: No - Price Drop$35,687good price$2,798 below market
- 30,682 miles
- No accidents, 1 owner, personal use
- 6 Seats, 19 City / 26 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
Close
Located in Plymouth, MI / 1,137 miles away from Boulder, CO
Rare Find,3rd Row Seat,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Hands-Free Liftgate,Heated Seats,Heated Steering Wheel,K...
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 (19 City/26 Highway)
Listing Information:
VIN: 1GYKPCRS4PZ137114
Stock: PZ137114A
Certified Pre-Owned: Yes - $52,998fair price$469 above market
- 1,606 miles
- No accidents, 1 owner, personal use only
- 6 Seats, 18 City / 25 Hwy MPG
- CarMax (In-stock online)
- Transfer available from DE to CO*
Close
Located in Newark, DE / 1,556 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:
21 Combined MPG (18 City/25 Highway)
Listing Information:
VIN: 1GYKPDRS1RZ750073
Stock: 27204162
Certified Pre-Owned: No - Price Drop$46,189good price$2,508 below market
- 10,398 miles
- No accidents, 1 owner, personal use
- 6 Seats, 18 City / 25 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
Close
Located in Troy, MI / 1,152 miles away from Boulder, CO
3rd Row Seat,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Hands-Free Liftgate,Heated Seats,Heated Steering Wheel,Keyless Sta...
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/25 Highway)
Listing Information:
VIN: 1GYKPDRS6RZ709597
Stock: RZ709597PA
Certified Pre-Owned: Yes - $53,500good price$3,637 below market
- 15,209 miles
- No accidents, 1 owner, personal use
- 6 Seats, 18 City / 25 Hwy MPG
- Rickenbaugh Cadillac (27 mi away)
Close
Located in Denver, CO / 27 miles away from Boulder, CO
RIGHT CAR- RIGHT PRICE- RIGHT NOW, NO HASSLE BUYING EXPERIENCE Driver Assist Package (Adaptive Cruise Control, Automatic Seat Belt Tightening, Enhance...
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/25 Highway)
Listing Information:
VIN: 1GYKPFRS7RZ754043
Stock: P25221
Certified Pre-Owned: Yes
Listed since: 05-09-2025
Showing 1 - 21 out of 144 listings
Filters
Skip to ResultsApplied Filters4Active
Make & Model
Year
New / Used
Price & Payments
Price Rating
Body Type
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.