Used Audi S4 for Sale in Thornton, CO | Edmunds

42 listings

Sort by:

Price Drop
2023 Audi S4
Premium Plus Sedan
$46,995
fair price
$451 below market
- 15,656 miles
- No accidents, 1 owner, personal use
- 21 City / 30 Hwy MPG
- Audi Flatirons (10 mi away)
- Home delivery*
- AWD/4WD
- Bluetooth
- Sunroof/Moonroof
- Keyless Entry/Start
- Upgraded Headlights
Close
Located in Broomfield, CO / 10 miles away from Thornton, CO
All Wheel Drive!!, Bang and Olufsen Sound System, Dealer Inspected, Freshly Detailed, Local Trade-In, Quattro, 2 Rear USB Charging Ports, Adaptive Cru...
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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF42PA003805
Stock: PA003805
Certified Pre-Owned: No
Listed since: 05-23-2025
Price Drop
2014 Audi S4
Premium Plus quattro Sedan
$18,900
fair price
$421 above market
- 120,810 miles
- 1 accident, 3 owners, personal use
- 17 City / 26 Hwy MPG, Manual
- Audi Flatirons (10 mi away)
- Home delivery*
- AWD/4WD
- Bluetooth
- Sunroof/Moonroof
- Upgraded Headlights
- Power Driver Seat
Close
Located in Broomfield, CO / 10 miles away from Thornton, 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: Yes
Features and Specs:
20 Combined MPG (17 City/26 Highway)
Listing Information:
VIN: WAUDGAFL0EA018405
Stock: EA018405
Certified Pre-Owned: No
Listed since: 05-27-2025
New Listing
2014 Audi S4
Premium Plus quattro Sedan
$19,998
fair price
$1,488 below market
- 68,650 miles
- 1 accident, 2 owners, personal use
- 17 City / 26 Hwy MPG, Manual
- AutoNation Subaru Arapahoe (23 mi away)
- Home delivery*
- AWD/4WD
- Bluetooth
- Sunroof/Moonroof
- Upgraded Headlights
- Power Driver Seat
Close
Located in Centennial, CO / 23 miles away from Thornton, CO
Black; Seat TrimSun/MoonroofLeather SeatsKeyless StartIbis WhiteThis vehicle includes a Money-Back Guarantee* and passed our precise inspection...
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:
20 Combined MPG (17 City/26 Highway)
Listing Information:
VIN: WAUDGAFL1EA014184
Stock: EA014184
Certified Pre-Owned: No
Listed since: 07-02-2025
2018 Audi S4
Prestige quattro Sedan
$35,998
- 35,199 miles
- 1 accident, 3 owners, personal use
- 21 City / 30 Hwy MPG
- CarMax West 104th Ave (5 mi away)
- AWD/4WD
- Bluetooth
- Navigation
- Leather Seats
- Sunroof/Moonroof
Close
Located in Federal Heights, CO / 5 miles away from Thornton, 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: 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 (21 City/30 Highway)
Listing Information:
VIN: WAUC4AF4XJA234169
Stock: 27110059
Certified Pre-Owned: No
2014 Audi S4
Premium Plus quattro Sedan
$19,495
fair price
$356 below market
- 74,064 miles
- No accidents, 2 owners, corporate fleet vehicle
- 18 City / 28 Hwy MPG
- Booth Motors (17 mi away)
- AWD/4WD
- Bluetooth
- Sunroof/Moonroof
- Upgraded Headlights
- Power Driver Seat
Close
Located in Longmont, CO / 17 miles away from Thornton, 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:
21 Combined MPG (18 City/28 Highway)
Listing Information:
VIN: WAUBGAFL3EA076967
Stock: 17020
Certified Pre-Owned: No
2018 Audi S4
Premium Plus quattro Sedan
$30,988
- 55,616 miles
- 1 accident, 4 owners, corporate fleet vehicle
- 21 City / 30 Hwy MPG
- Motorcars of Denver (24 mi away)
- Home delivery*
- AWD/4WD
- Back-up camera
- Bluetooth
- Navigation
- Leather Seats
Close
Located in Centennial, CO / 24 miles away from Thornton, CO
**INCREDIBLY CLEAN AND VERY LOW MILES**FULLY LOADED**NAVIGATION WITH BACKUP CAMERA**AUDI SIDE ASSIST**B&O PREMIUM SOUND SYSTEM**HEATED AND COOLED SEAT...
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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4BF45JA056740
Stock: N1447
Certified Pre-Owned: No
Listed since: 06-13-2025
2016 Audi S4
Premium Plus quattro Sedan
$19,995
- 99,505 miles
- No accidents, 3 owners, personal use
- 18 City / 28 Hwy MPG
- Booth Motors (17 mi away)
- AWD/4WD
- Back-up camera
- Bluetooth
- Navigation
- Sunroof/Moonroof
Close
Located in Longmont, CO / 17 miles away from Thornton, 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:
21 Combined MPG (18 City/28 Highway)
Listing Information:
VIN: WAUBGAFL6GA001750
Stock: 16765A
Certified Pre-Owned: No
2014 Audi S4
Premium Plus quattro Sedan
$12,977
- 208,776 miles
- No accidents, 4 owners, personal use
- 18 City / 28 Hwy MPG
- Off-Road Automotive (14 mi away)
- AWD/4WD
- Bluetooth
- Sunroof/Moonroof
- Upgraded Headlights
- Power Driver Seat
Close
Located in Fort Lupton, CO / 14 miles away from Thornton, 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:
21 Combined MPG (18 City/28 Highway)
Listing Information:
VIN: WAUBGAFL2EA006053
Stock: R1026
Certified Pre-Owned: No
2018 Audi S4
Premium Plus quattro Sedan
$25,995
- 91,708 miles
- No accidents, 2 owners, personal use
- 21 City / 30 Hwy MPG
- Booth Motors (17 mi away)
- AWD/4WD
- Back-up camera
- Bluetooth
- Navigation
- Leather Seats
Close
Located in Longmont, CO / 17 miles away from Thornton, 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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF47JA225716
Stock: 16939
Certified Pre-Owned: No
2021 Audi S4
Premium Plus Sedan
$34,495
- 83,260 miles
- 1 accident, 2 owners, personal use
- 20 City / 28 Hwy MPG
- Booth Motors (17 mi away)
- AWD/4WD
- Bluetooth
- Leather Seats
- Sunroof/Moonroof
- Keyless Entry/Start
Close
Located in Longmont, CO / 17 miles away from Thornton, 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:
23 Combined MPG (20 City/28 Highway)
Listing Information:
VIN: WAUB4AF4XMA031637
Stock: 16923
Certified Pre-Owned: No
Price Drop
2022 Audi S4
Premium Plus Sedan
$40,248
great price
$3,343 below market
- 42,365 miles
- No accidents, 1 owner, personal use only
- 21 City / 30 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
- AWD/4WD
- Bluetooth
- Navigation
- Sunroof/Moonroof
- Keyless Entry/Start
Close
Located in Fort Lauderdale, FL / 1,716 miles away from Thornton, CO
CarFax No Accidents Reported,CarFax 1-Owner,High Demand,Rare Find,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Heated 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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF41NA044813
Stock: TDNA044813
Certified Pre-Owned: No
Price Drop
2019 Audi S4
Prestige quattro Sedan
$38,590
fair price
$270 below market
- 19,949 miles
- No accidents, 2 owners, personal use only
- 21 City / 30 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
- AWD/4WD
- Bluetooth
- Navigation
- Leather Seats
- Sunroof/Moonroof
Close
Located in Sacramento, CA / 887 miles away from Thornton, CO
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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUC4AF41KA101091
Stock: 2003773447
Certified Pre-Owned: No
Listed since: 05-28-2025
Price Drop
2023 Audi S4
Premium Plus Sedan
$50,990
fair price
$609 above market
- 8,893 miles
- No accidents, 1 owner, personal use only
- 21 City / 30 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
- AWD/4WD
- Bluetooth
- Sunroof/Moonroof
- Keyless Entry/Start
- Upgraded Headlights
Close
Located in Richmond, VA / 1,474 miles away from Thornton, CO
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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF45PA043022
Stock: 2003747327
Certified Pre-Owned: No
Listed since: 06-13-2025
2012 Audi S4
Premium Plus quattro Sedan
$12,999
good price
$1,334 below market
- 106,338 miles
- 1 accident, 2 owners, personal use only
- 18 City / 28 Hwy MPG
- Denver Auto Gallery (18 mi away)
- AWD/4WD
- Bluetooth
- Sunroof/Moonroof
- Upgraded Headlights
- Power Driver Seat
Close
Located in Inglewood, CO / 18 miles away from Thornton, 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:
21 Combined MPG (18 City/28 Highway)
Listing Information:
VIN: WAUBGAFL7CA075074
Stock: 075074
Certified Pre-Owned: No
Listed since: 06-26-2025
2021 Audi S4
Premium Plus Sedan
$35,781
fair price
- 54,304 miles
- No accidents, 2 owners, personal use only
- 20 City / 28 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
- AWD/4WD
- Bluetooth
- Leather Seats
- Sunroof/Moonroof
- Keyless Entry/Start
Close
Located in Dallas, TX / 665 miles away from Thornton, CO
High Demand,Rare Find,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Heated Seats,Heated Steering Wheel,Keyless Start,Lane Dep...
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 (20 City/28 Highway)
Listing Information:
VIN: WAUB4AF49MA012819
Stock: MA012819A
Certified Pre-Owned: No
2018 Audi S4
Premium Plus quattro Sedan
$28,990
fair price
- 62,147 miles
- No accidents, 2 owners, corporate fleet vehicle
- 21 City / 30 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
- AWD/4WD
- Back-up camera
- Bluetooth
- Navigation
- Leather Seats
Close
Located in Dallas, TX / 670 miles away from Thornton, CO
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: 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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF45JA061382
Stock: 2003778593
Certified Pre-Owned: No
Listed since: 06-11-2025
2006 Audi S4
quattro Sedan
$11,499
- 90,505 miles
- No accidents, 4 owners, personal use only
- 13 City / 20 Hwy MPG, Manual
- Driveway (In-stock online)
- Home delivery*
- AWD/4WD
- Leather Seats
- Upgraded Headlights
- Power Driver Seat
- Multi-Zone Climate C...
Close
Located in Farmington Hills, MI / 1,130 miles away from Thornton, CO
Low Mileage,High Demand,Brake Assist,Leather Seats,Premium Sound,4-Wheel Disc Brakes,6-Speed M/T,8 Cylinder Engine,A/C,ABS,Adjustable Steering Wheel,A...
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:
16 Combined MPG (13 City/20 Highway)
Listing Information:
VIN: WAUGL78E06A254399
Stock: A254399A
Certified Pre-Owned: No
New Listing
2022 Audi S4
Premium Plus Sedan
$45,990
fair price
$1,432 above market
- 21,911 miles
- No accidents, 1 owner, personal use only
- 21 City / 30 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
- AWD/4WD
- Bluetooth
- Sunroof/Moonroof
- Keyless Entry/Start
- Upgraded Headlights
Close
Located in Birmingham, AL / 1,095 miles away from Thornton, CO
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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF47NA047408
Stock: 2003728132
Certified Pre-Owned: No
Listed since: 06-06-2025
Stock photo^**
2018 Audi S4
Premium Plus quattro Sedan
$28,765
fair price
$130 below market
- 58,347 miles
- No accidents, 3 owners, personal use
- 21 City / 30 Hwy MPG
- Nations Auto Inc II (15 mi away)
- AWD/4WD
- Back-up camera
- Bluetooth
- Leather Seats
- Sunroof/Moonroof
Close
Located in Denver, CO / 15 miles away from Thornton, 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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF43JA083803
Stock: 083803
Certified Pre-Owned: No
Listed since: 05-30-2025
2018 Audi S4
Premium Plus quattro Sedan
$26,498
fair price
$633 above market
- 89,735 miles
- No accidents, 1 owner, personal use only
- 21 City / 30 Hwy MPG
- Colorado Auto Finders (24 mi away)
- AWD/4WD
- Back-up camera
- Bluetooth
- Sunroof/Moonroof
- Keyless Entry/Start
Close
Located in Centennial, CO / 24 miles away from Thornton, CO
**2018 Audi S4 Precision, Power, and Unmatched Sophistication** The 2018 Audi S4 is a masterclass in performance and refinement, and this stunning r...
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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF41JA233794
Stock: U16329
Certified Pre-Owned: No
Price Drop
2022 Audi S4
Premium Plus Sedan
$42,590
fair price
$756 above market
- 33,874 miles
- No accidents, 2 owners, personal use
- 21 City / 30 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
- AWD/4WD
- Bluetooth
- Sunroof/Moonroof
- Keyless Entry/Start
- Upgraded Headlights
Close
Located in Chicago, IL / 876 miles away from Thornton, CO
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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF44NA019422
Stock: 2003781635
Certified Pre-Owned: No
Listed since: 06-06-2025

Showing 1 - 21 out of 42 listings

Used Audi S4 by Year

Applied Filters4Active

Select Buying Experience

Any Online In-Store

Location

Search radius50 miles

Home delivery available
Only show local listings

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

Listing Details

* Delivery of any kind does not apply to Alaska and Hawaii. Contact the dealer for delivery details, restrictions and costs.

Join Edmunds

Receive pricing updates, shopping tips & more!