Used Audi A4 for Sale in Boulder, CO
Buy a luxurious Audi A4 in the county seat of Boulder County, Colorado
Skip to Filters
265 listings
- Price Drop$12,998great price$2,034 below market
- 112,427 miles
- No accidents, 3 owners, corporate fleet vehicle
- 24 City / 34 Hwy MPG
- Hooshie Auto (34 mi away)
Close
Located in Denver, CO / 34 miles away from Boulder, CO
CLEAN CAR FAX! ONLINE FINANCING AVAILABLE HOOSHIEAUTO.COM! CREDIT UNION FINANCING ALSO AVAILABLE! SOME OF THE BEST DEALS IN THE STATE!!!!!!!!!!!!!!!!...
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 (24 City/34 Highway)
Listing Information:
VIN: WAUENAF42JA168206
Stock: 14782
Certified Pre-Owned: No
Listed since: 07-18-2025 - $13,971great price$2,973 below market
- 99,981 miles
- No accidents, 5 owners, rental vehicle
- 24 City / 34 Hwy MPG
- Drive-N-Motion Greeley (33 mi away)
Close
Located in Greeley, CO / 33 miles away from Boulder, CO
Welcome to the best way to purchase your next vehicle! Drive N-Motion is a ZERO FEES - SET PRICING - SECURE FUTURE Automotive Sales and Service Dealer...
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 (24 City/34 Highway)
Listing Information:
VIN: WAUENAF46JN001162
Stock: N10624
Certified Pre-Owned: No
Listed since: 06-21-2025 - Price Drop$12,298great price$2,202 below market
- 86,496 miles
- 1 accident, 2 owners, corporate fleet vehicle
- 27 City / 37 Hwy MPG
- Hooshie Auto (34 mi away)
Close
Located in Denver, CO / 34 miles away from Boulder, CO
ONLINE FINANCING AVAILABLE HOOSHIEAUTO.COM! CREDIT UNION FINANCING ALSO AVAILABLE! SOME OF THE BEST DEALS IN THE STATE!!!!!!!!!!!!!!!!!! #1 goal is to...
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:
31 Combined MPG (27 City/37 Highway)
Listing Information:
VIN: WAUGMAF40HN060746
Stock: 14783
Certified Pre-Owned: No
Listed since: 07-18-2025 - Price Drop$23,897great price$2,165 below market
- 50,051 miles
- No accidents, 1 owner, personal use only
- 24 City / 31 Hwy MPG
- EchoPark Automotive Denver (Thornton) (18 mi away)
- Five Star Dealer
Close
Located in Thornton, CO / 18 miles away from Boulder, CO
At EchoPark, it’s all about offering you options for a happy experience. We have thousands of new-to-you makes and models that range from sedans to tr...
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 (24 City/31 Highway)
Listing Information:
VIN: WAUEAAF47NN011393
Stock: RNN011393
Certified Pre-Owned: No
Listed since: 07-01-2025 - $11,500great price$4,460 below market
- 85,855 miles
- No accidents, 2 owners, personal use
- 25 City / 33 Hwy MPG
- Mile High Auto Sales (33 mi away)
Close
Located in Englewood, CO / 33 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:
28 Combined MPG (25 City/33 Highway)
Listing Information:
VIN: WAUKMAF43JA122387
Stock: 122387
Certified Pre-Owned: No - Price Drop$13,693good price$1,210 below market
- 82,248 miles
- No accidents, 2 owners, personal use
- 22 City / 31 Hwy MPG
- Audi Flatirons (11 mi away)
- Home delivery*
Close
Located in Broomfield, CO / 11 miles away from Boulder, CO
Dealer Inspected, 8-Speed Automatic with Tiptronic, quattro, Black w/Leather Seating Surfaces, 3-Step Heated Front Seats, Audi Advanced Key, Audi 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: Yes
Features and Specs:
25 Combined MPG (22 City/31 Highway)
Listing Information:
VIN: WAUFFAFL1GN010689
Stock: GN010689
Certified Pre-Owned: No
Listed since: 07-05-2025 - Price Drop$13,998good price$1,670 below market
- 93,910 miles
- No accidents, 3 owners, corporate fleet vehicle
- 24 City / 31 Hwy MPG
- Hooshie Auto (34 mi away)
Close
Located in Denver, CO / 34 miles away from Boulder, CO
ONLINE FINANCING AVAILABLE HOOSHIEAUTO.COM! CREDIT UNION FINANCING ALSO AVAILABLE! SOME OF THE BEST DEALS IN THE STATE!!!!!!!!!!!!!!!!!! #1 goal is to...
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 (24 City/31 Highway)
Listing Information:
VIN: WAUENAF45HN023499
Stock: 14681
Certified Pre-Owned: No
Listed since: 03-31-2025 - New Listing$29,297good price$1,164 below market
- 35,968 miles
- No accidents, 2 owners, rental vehicle
- 24 City / 32 Hwy MPG
- EchoPark Automotive Denver (Thornton) (18 mi away)
- Five Star Dealer
Close
Located in Thornton, CO / 18 miles away from Boulder, CO
At EchoPark, it’s all about offering you options for a happy experience. We have thousands of new-to-you makes and models that range from sedans to tr...
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 (24 City/32 Highway)
Listing Information:
VIN: WAUEAAF4XRN005996
Stock: RRN005996
Certified Pre-Owned: No
Listed since: 08-06-2025 - New Listing$12,990fair price$611 below market
- 142,408 miles
- No accidents, 2 owners, personal use
- 24 City / 31 Hwy MPG
- Fisher Honda (5 mi away)
Close
Located in Boulder, CO / 5 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:
27 Combined MPG (24 City/31 Highway)
Listing Information:
VIN: WAUENAF42HN034248
Stock: 251440A
Certified Pre-Owned: No
Listed since: 08-29-2025 - Price Drop$31,998fair price$1,005 below market
- 23,025 miles
- No accidents, 2 owners, personal use
- 24 City / 31 Hwy MPG
- AutoNation Subaru Arapahoe (38 mi away)
- Home delivery*
Close
Located in Centennial, CO / 38 miles away from Boulder, CO
Daytona Gray Pearl EffectSun/MoonroofLeather SeatsKeyless StartBlack; Leather Seating SurfacesThis vehicle includes a Money-Back Guarantee* and...
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 (24 City/31 Highway)
Listing Information:
VIN: WAUEAAF47NA007660
Stock: NA007660
Certified Pre-Owned: No
Listed since: 08-08-2025 - Price Drop$28,877fair price$913 below market
- 39,601 miles
- No accidents, 1 owner, rental vehicle
- 24 City / 32 Hwy MPG
- EchoPark Automotive Denver (Centennial) (38 mi away)
Close
Located in Centennial, CO / 38 miles away from Boulder, CO
At EchoPark, it’s all about offering you options for a happy experience. We have thousands of new-to-you makes and models that range from sedans to tr...
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 (24 City/32 Highway)
Listing Information:
VIN: WAUEAAF49RN005892
Stock: RRN005892
Certified Pre-Owned: No
Listed since: 08-06-2025 - Price Drop$29,397fair price$211 below market
- 40,716 miles
- No accidents, 1 owner, rental vehicle
- 24 City / 32 Hwy MPG
- EchoPark Automotive Denver (Centennial) (38 mi away)
Close
Located in Centennial, CO / 38 miles away from Boulder, CO
At EchoPark, it’s all about offering you options for a happy experience. We have thousands of new-to-you makes and models that range from sedans to tr...
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 (24 City/32 Highway)
Listing Information:
VIN: WAUEAAF45RN006747
Stock: RRN006747
Certified Pre-Owned: No
Listed since: 07-01-2025 - Price Drop$19,598fair price$294 above market
- 68,517 miles
- No accidents, 2 owners, personal use only
- 24 City / 31 Hwy MPG
- AutoNation Subaru Arapahoe (38 mi away)
- Home delivery*
Close
Located in Centennial, CO / 38 miles away from Boulder, CO
Sun/MoonroofLeather SeatsKeyless StartBlack; Leather Seating SurfacesIbis WhiteThis vehicle includes a Money-Back Guarantee* and passed our pre...
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 (24 City/31 Highway)
Listing Information:
VIN: WAUENAF46HN036262
Stock: HN036262
Certified Pre-Owned: No
Listed since: 08-18-2025 - $25,998good price$929 below market
- 39,285 miles
- 1 accident, 1 owner, rental vehicle
- 24 City / 33 Hwy MPG
- CarMax Loveland (26 mi away)
Close
Located in Loveland, CO / 26 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: 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:
28 Combined MPG (24 City/33 Highway)
Listing Information:
VIN: WAUABAF44PN001919
Stock: 27414400
Certified Pre-Owned: No - 58,899 miles
- No accidents, 2 owners, rental vehicle
- 24 City / 32 Hwy MPG
- Skyline Mitsubishi (17 mi away)
- Home delivery*
Close
Located in Thornton, CO / 17 miles away from Boulder, CO
Tango Red Metallic 45 S line Premium Plus quattro quattro ***At Skyline Mitsubishi we have financing for everyone. Call 303-465-5512.*****, "Dealer Ha...
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 (24 City/32 Highway)
Listing Information:
VIN: WAUEAAF46PN003112
Stock: 20602
Certified Pre-Owned: No
Listed since: 07-14-2025- $9,198fair price$459 above market
- 133,503 miles
- 1 accident, 3 owners, personal use
- 20 City / 30 Hwy MPG
- AutoNation Toyota Arapahoe (38 mi away)
- Home delivery*Five Star Dealer
Close
Located in Centennial, CO / 38 miles away from Boulder, CO
Sun/MoonroofLeather SeatsMonsoon Gray MetallicNavigation SystemKeyless StartBlack; Leather/Alcantara Seating SurfacesThis vehicle includes a M...
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:
24 Combined MPG (20 City/30 Highway)
Listing Information:
VIN: WAUKFAFL7DN042654
Stock: DN042654
Certified Pre-Owned: No
Listed since: 07-01-2025 - $20,000fair price$673 above market
- 51,582 miles
- 2 accidents, 3 owners, personal use
- 25 City / 33 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: 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:
28 Combined MPG (25 City/33 Highway)
Listing Information:
VIN: WAUKMAF49JN013277
Stock: JN013277
Certified Pre-Owned: No
Listed since: 08-22-2025 - Price Drop$19,835fair price$822 above market
- 75,373 miles
- 1 accident, 3 owners, personal use only
- 24 City / 31 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: 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 (24 City/31 Highway)
Listing Information:
VIN: WAUENAF47HN014240
Stock: HN014240
Certified Pre-Owned: No
Listed since: 08-16-2025 - 87,899 miles
- No accidents, 4 owners, personal use
- 24 City / 34 Hwy MPG
- ClearShift Loveland (23 mi away)
Close
Located in Loveland, CO / 23 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:
27 Combined MPG (24 City/34 Highway)
Listing Information:
VIN: WAUENAF47JA068571
Stock: 068571T
Certified Pre-Owned: No
Listed since: 05-17-2025- New Listing
- 108,661 miles
- No accidents, 1 owner, corporate fleet vehicle
- 22 City / 31 Hwy MPG
- Hooshie Auto (34 mi away)
Close
Located in Denver, CO / 34 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:
25 Combined MPG (22 City/31 Highway)
Listing Information:
VIN: WAUFFAFL8FN033773
Stock: 14839
Certified Pre-Owned: No
Listed since: 08-30-2025 - 38,652 miles
- No accidents, 1 owner, rental vehicle
- 24 City / 32 Hwy MPG
- Arapahoe Kia (38 mi away)
Close
Located in Centennial, CO / 38 miles away from Boulder, CO
Certified. Backup Camera, Bluetooth. CARFAX One-Owner.24/32 City/Highway MPG 24/32 City/Highway MPGPriced below KBB Fair Purchase Price!Certification ...
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 (24 City/32 Highway)
Listing Information:
VIN: WAUEAAF48PN011602
Stock: B14339
Certified Pre-Owned: No
Listed since: 08-01-2025
Showing 1 - 21 out of 265 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.