Used Audi S4 for Sale in Boulder, CO
Shop for a luxurious Audi S4 in the county seat of Boulder County, Colorado
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43 listings
- $28,288fair price$361 below market
- 61,161 miles
- No accidents, 2 owners, personal use
- 21 City / 30 Hwy MPG
- O'Meara GMC (17 mi away)
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Located in Denver, CO / 17 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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF40JA207641
Stock: 7190GS
Certified Pre-Owned: No
Listed since: 05-27-2025 - $19,000fair price$1,168 above market
- 120,810 miles
- 1 accident, 3 owners, personal use
- 17 City / 26 Hwy MPG, Manual
- Audi Flatirons (11 mi away)
- Home delivery*
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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: 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 - Price Drop
- 15,656 miles
- No accidents, 1 owner, personal use
- 21 City / 30 Hwy MPG
- Audi Flatirons (11 mi away)
- Home delivery*
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Located in Broomfield, CO / 11 miles away from Boulder, 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 - 35,199 miles
- 1 accident, 3 owners, personal use
- 21 City / 30 Hwy MPG
- CarMax West 104th Ave (17 mi away)
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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: 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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUC4AF4XJA234169
Stock: 27110059
Certified Pre-Owned: No- 91,708 miles
- No accidents, 2 owners, personal use
- 21 City / 30 Hwy MPG
- Booth Motors (10 mi away)
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Located in Longmont, CO / 10 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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF47JA225716
Stock: 16939
Certified Pre-Owned: No- 208,776 miles
- No accidents, 4 owners, personal use
- 18 City / 28 Hwy MPG
- Off-Road Automotive (21 mi away)
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Located in Fort Lupton, CO / 21 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:
21 Combined MPG (18 City/28 Highway)
Listing Information:
VIN: WAUBGAFL2EA006053
Stock: R1026
Certified Pre-Owned: No- 83,260 miles
- 1 accident, 2 owners, personal use
- 20 City / 28 Hwy MPG
- Booth Motors (10 mi away)
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Located in Longmont, CO / 10 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:
23 Combined MPG (20 City/28 Highway)
Listing Information:
VIN: WAUB4AF4XMA031637
Stock: 16923
Certified Pre-Owned: No- $41,990good price$1,826 below market
- 42,359 miles
- No accidents, 1 owner, personal use only
- 21 City / 30 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
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Located in Fort Lauderdale, FL / 1,733 miles away from Boulder, 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$43,598good price$3,150 below market
- 20,639 miles
- No accidents, 1 owner, personal use
- 21 City / 30 Hwy MPG
- Driveway (In-stock online)
- Home delivery*
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Located in Maplewood, NJ / 1,619 miles away from Boulder, CO
CarFax No Accidents Reported,CarFax 1-Owner,Low Mileage,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Heated Seats,Heated Ste...
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: WAUB4AF45NA009501
Stock: MDR25194
Certified Pre-Owned: No - New Listing$16,500good price$1,752 below market
- 87,902 miles
- No accidents, 3 owners, personal use
- 18 City / 28 Hwy MPG
- Crown Auto Denver (33 mi away)
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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:
21 Combined MPG (18 City/28 Highway)
Listing Information:
VIN: WAUBGAFL8EA077998
Stock: 077998
Certified Pre-Owned: No
Listed since: 06-08-2025 - $29,990fair price$790 above market
- 61,634 miles
- No accidents, 1 owner, personal use only
- 21 City / 30 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
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Located in Sacramento, CA / 874 miles away from Boulder, 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: WAUB4AF45JA116574
Stock: 2003701847
Certified Pre-Owned: No
Listed since: 05-02-2025 - $35,590good price$1,115 below market
- 39,716 miles
- No accidents, 3 owners, personal use
- 21 City / 30 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
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Located in Las Vegas, NV / 605 miles away from Boulder, 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: WAUC4AF42KA014333
Stock: 2003707378
Certified Pre-Owned: No
Listed since: 05-10-2025 - New Listing$38,998fair price$185 above market
- 41,167 miles
- No accidents, 2 owners, corporate fleet vehicle
- 20 City / 28 Hwy MPG
- CarMax (In-stock online)
- Transfer available from NV to CO*
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Located in Las Vegas, NV / 610 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:
23 Combined MPG (20 City/28 Highway)
Listing Information:
VIN: WAUB4AF46MA034857
Stock: 27262001
Certified Pre-Owned: No - New Listing$15,900fair price$529 below market
- 75,416 miles
- No accidents, 3 owners, personal use only
- 18 City / 28 Hwy MPG
- Schomp Honda (38 mi away)
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Located in Highlands Ranch, CO / 38 miles away from Boulder, CO
Schomp Honda Pre-Owned Vehicle At Schomp Honda, our dedication to providing exceptional service doesn't stop with new car sales it extends to 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:
21 Combined MPG (18 City/28 Highway)
Listing Information:
VIN: WAUKGAFL0CA026198
Stock: 2PA2679
Certified Pre-Owned: No
Listed since: 06-07-2025 - 7,377 miles
- No accidents, 1 owner, personal use only
- 21 City / 30 Hwy MPG
- CarMax (In-stock online)
- Transfer available from GA to CO*
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Located in Norcross, GA / 1,232 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:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF43NA048667
Stock: 27144884
Certified Pre-Owned: No- New Listing
- 27,127 miles
- No accidents, 1 owner, personal use only
- 20 City / 28 Hwy MPG
- CarMax (In-stock online)
- Transfer available from IL to CO*
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Located in Hillside, IL / 909 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:
23 Combined MPG (20 City/28 Highway)
Listing Information:
VIN: WAUB4AF46MA010249
Stock: 27227047
Certified Pre-Owned: No - $26,988fair price$873 above market
- 89,735 miles
- No accidents, 1 owner, personal use only
- 21 City / 30 Hwy MPG
- Colorado Auto Finders (39 mi away)
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Located in Centennial, CO / 39 miles away from Boulder, 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 - $12,500fair price$455 below market
- 105,668 miles
- 1 accident, 4 owners, personal use
- 18 City / 28 Hwy MPG
- Schomp Nissan (32 mi away)
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Located in Littleton, CO / 32 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:
21 Combined MPG (18 City/28 Highway)
Listing Information:
VIN: WAUBGBFL8AA168687
Stock: 12P754
Certified Pre-Owned: No
Listed since: 05-15-2025 - $31,990fair price$1,495 above market
- 62,541 miles
- No accidents, 1 owner, personal use only
- 21 City / 30 Hwy MPG
- Carvana (In-stock online)
- Home delivery*
Close
Located in Richmond, VA / 1,487 miles away from Boulder, 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: WAUC4AF40JA124232
Stock: 2003759709
Certified Pre-Owned: No
Listed since: 05-23-2025 - New Listing$41,998
- 35,792 miles
- No accidents, 2 owners, personal use
- 20 City / 28 Hwy MPG
- CarMax (In-stock online)
- Transfer available from IN to CO*
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Located in Indianapolis, IN / 1,009 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:
23 Combined MPG (20 City/28 Highway)
Listing Information:
VIN: WAUC4AF41MA047763
Stock: 25203603
Certified Pre-Owned: No - 46,744 miles
- No accidents, 5 owners, personal use only
- 21 City / 30 Hwy MPG
- CarMax (In-stock online)
- Transfer available from NC to CO*
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Located in Charlotte, NC / 1,377 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: Yes
Features and Specs:
24 Combined MPG (21 City/30 Highway)
Listing Information:
VIN: WAUB4AF40JA003812
Stock: 27282126
Certified Pre-Owned: No
Showing 1 - 21 out of 43 listings
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