Used Audi S4 for Sale Under $20,000 NearCastle Rock, CO
22 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 152,863
- Stock #:
- 014294
- VIN:
- WAUB4AF44JA014294
New arrival
Sponsored Listing
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
152,863 mi
Denver, CO
25 mi away
Fair Deal
$17,477
- Year:
- 2014
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 116,313
- Stock #:
- 083177
- VIN:
- WAUBGAFL9EA083177
2014 Audi S4
3.0T quattro Premium Plus Sedan AWD
116,313 mi
Home delivery from Marietta, GA
Price includes $1,779 shipping
Fair Deal
$17,273
- Year:
- 2014
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 107,992
- Stock #:
- STWTEA025171
- VIN:
- WAUBGAFL4EA025171
New arrival
2014 Audi S4
3.0T quattro Premium Plus Sedan AWD
107,992 mi
Lakewood, CO
28 mi away
Fair Deal
$17,598
- Year:
- 2014
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Ibis White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 102,283
- VIN:
- WAUBGAFLXEA076688
2014 Audi S4
3.0T quattro Premium Plus Sedan AWD
102,283 mi
Home delivery from Everett, WA
Price includes $1,569 shipping
Fair Deal
$17,260
- Year:
- 2018
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 354 hp 3L V6
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 152,863
- Stock #:
- 014294
- VIN:
- WAUB4AF44JA014294
New arrival
2018 Audi S4
3.0T quattro Premium Plus Sedan AWD
152,863 mi
Denver, CO
25 mi away
Fair Deal
$17,477
- Year:
- 2014
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Phantom Black Pearl
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 109,010
- Stock #:
- EA163514A
- VIN:
- WAUBGAFL7EA163514
2014 Audi S4
3.0T quattro Premium Plus Sedan AWD
109,010 mi
Home delivery from Plano, TX
Price includes $946 shipping
Good Deal
$17,656
- Year:
- 2007
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Gray
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Manual
- Mileage:
- 115,832
- Stock #:
- 14764
- VIN:
- WAUGL78E97A033997
2007 Audi S4
quattro Sedan AWD
115,832 mi
Home delivery from Portland, OR
Price includes $994 shipping
Great Deal
$10,979
- Year:
- 2015
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- [N9] Misano Red Pearl Effect
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 109,535
- VIN:
- WAUBGAFL4FA042795
![[N9] Misano Red Pearl Effect 2015 Audi S4 Sedan All-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/10/08/14/21/2015_audi_s4-pic-6401669076367118387-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
New arrival
2015 Audi S4
3.0T quattro Premium Plus Sedan AWD
109,535 mi
Home delivery from Addison, TX
Price includes $788 shipping
Fair Deal
$18,932
- Year:
- 2007
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Dolphin Gray Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 82,525
- Stock #:
- 2048
- VIN:
- WAUGL98E77A044136
2007 Audi S4
quattro Sedan AWD
82,525 mi
Home delivery from Kent, WA
Price includes $1,030 shipping
Fair Deal
$16,030
- Year:
- 2007
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- silk
- Transmission:
- 6-Speed Automatic
- Mileage:
- 114,549
- Stock #:
- T-014542
- VIN:
- WAUGL78E57A014542
2007 Audi S4
quattro Sedan AWD
114,549 mi
Home delivery from Portland, OR
Price includes $1,494 shipping
Fair Deal
$12,639
- Year:
- 2006
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Dolphin Gray Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black (Ebony premium leather)
- Transmission:
- 6-Speed Automatic
- Mileage:
- 123,292
- Stock #:
- 137935
- VIN:
- WAUGL78E56A137935
2006 Audi S4
quattro Sedan AWD
123,292 mi
Home delivery from Edmonds, WA
Price includes $1,047 shipping
Fair Deal
$10,738
- Year:
- 2007
- Make:
- Audi
- Model:
- S4
- Body type:
- Convertible
- Doors:
- 2 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Moro Blue Pearl
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Silver/Black
- Transmission:
- Automatic
- Mileage:
- 51,276
- Stock #:
- 5039
- VIN:
- WUARL48H67K901584
2007 Audi S4
quattro Cabriolet AWD
51,276 mi
Home delivery from Crestwood, IL
Price includes $1,645 shipping
Fair Deal
$18,008
- Year:
- 2014
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Brilliant Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 113,161
- Stock #:
- 3208A
- VIN:
- WAUBGAFL4EA128011
2014 Audi S4
3.0T quattro Premium Plus Sedan AWD
113,161 mi
Home delivery from Aurora, IL
Price includes $1,334 shipping
Fair Deal
$17,222
- Year:
- 2006
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Gray
- Combined gas mileage:
- 16 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Manual
- Mileage:
- 102,784
- VIN:
- WAUGL78E66A272745
2006 Audi S4
quattro Sedan AWD
102,784 mi
Home delivery from Everett, WA
Price includes $1,046 shipping
Fair Deal
$14,145
- Year:
- 2007
- Make:
- Audi
- Model:
- S4
- Body type:
- Convertible
- Doors:
- 2 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Black
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- White
- Transmission:
- Automatic
- Mileage:
- 86,778
- Stock #:
- 11837
- VIN:
- WUARL48HX7K900812
2007 Audi S4
quattro Cabriolet AWD
86,778 mi
Home delivery from Houston, TX
Price includes $1,275 shipping
Good Deal
$10,270
- Year:
- 2004
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Silver
- Fuel type:
- Gasoline
- Interior color:
- Silver
- Mileage:
- 157,352
- Stock #:
- 7105D
- VIN:
- WAUPL68E04A169747
2004 Audi S4
quattro Sedan AWD
157,352 mi
Denver, CO
23 mi away
No Rating
$5,995
- Year:
- 2014
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Manual
- Mileage:
- 125,000
- Stock #:
- PM4713
- VIN:
- WAUDGBFL7EA124713
Photos coming soon
New arrival
2014 Audi S4
3.0T quattro Premium Plus Sedan AWD
125,000 mi
Denver, CO
23 mi away
No Rating
$14,394
- Year:
- 2004
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Black
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 6-Speed Automatic
- Mileage:
- 88,476
- Stock #:
- 087155
- VIN:
- WAUPL68E34A087155
2004 Audi S4
quattro Sedan AWD
88,476 mi
Englewood, CO
21 mi away
No Rating
$12,198
- Year:
- 2005
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Light Silver Metallic
- Combined gas mileage:
- 17 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black/Silver
- Transmission:
- 6-Speed Automatic
- Mileage:
- 117,288
- VIN:
- WAUPL68E15A054169
Price drop
-$3,000
2005 Audi S4
quattro Sedan AWD
117,288 mi
Home delivery from Everett, WA
Price includes $1,569 shipping
No Rating
$16,760
$13,760
- Year:
- 2001
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 250 hp 2.7L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 19 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 5-Speed Automatic
- Mileage:
- 101,035
- Stock #:
- 17558
- VIN:
- WAURD68D41A010402
2001 Audi S4
quattro Sedan AWD
101,035 mi
Home delivery from Eden Prairie, MN
Price includes $699 shipping
No Rating
$12,676
- Year:
- 2008
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Engine:
- 340 hp 4.2L V8
- Exterior color:
- Ibis White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 117,976
- Stock #:
- 900466
- VIN:
- WUARL48H48K900466
2008 Audi S4
117,976 mi
Home delivery from Tucson, AZ
Price includes $602 shipping
No Rating
$8,392
- Year:
- 2013
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Red
- Transmission:
- 6-Speed Manual
- Mileage:
- 113,810
- VIN:
- WAUDGAFL0DA077971
2013 Audi S4
3.0T quattro Premium Plus Sedan AWD
113,810 mi
Home delivery from Royal Palm Beach, FL
Price includes $1,251 shipping
High Priced
$17,621
- Year:
- 2010
- Make:
- Audi
- Model:
- S4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Transmission:
- Manual
- Mileage:
- 152,728
- Stock #:
- 22787
- VIN:
- WAUDGAFL4AA106478
2010 Audi S4
3.0T quattro Premium Plus Sedan AWD
152,728 mi
Home delivery from Mesa, AZ
Price includes $843 shipping
High Priced
$14,141
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