Used Audi S6 for Sale Under $40,000
120 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2018
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Tornado Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 37,617
- Stock #:
- 026906
- VIN:
- WAUFFAFC9JN026906
New arrival
2018 Audi S6
4.0T quattro Premium Plus Sedan AWD
37,617 mi
Acton, MA
Fair Deal
$38,489
- Year:
- 2017
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Brilliant Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 91,396
- Stock #:
- 127357
- VIN:
- WAUHFAFCXHN127357
Price drop
-$1,211
2017 Audi S6
4.0T quattro Prestige Sedan AWD
91,396 mi
Yakima, WA
Good Deal
$25,845
$24,634
- Year:
- 2016
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 186,917
- Stock #:
- 26497A
- VIN:
- WAUH2AFC4GN032853
2016 Audi S6
4.0T quattro Prestige Sedan AWD
186,917 mi
Golden Valley, MN
Great Deal
$10,350
- Year:
- 2013
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Fuel type:
- Gasoline
- Transmission:
- 7-Speed Automatic
- Mileage:
- 87,350
- Stock #:
- DN136557
- VIN:
- WAUF2AFC1DN136557
2013 Audi S6
4.0T quattro Prestige Sedan AWD
87,350 mi
Hollywood, FL
Good Deal
$15,499
- Year:
- 2018
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Tornado Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 39,708
- Stock #:
- JN044802A
- VIN:
- WAUHFAFC9JN044802
2018 Audi S6
4.0T quattro Prestige Sedan AWD
39,708 mi
Kennesaw, GA
Fair Deal
$34,499
- Year:
- 2020
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 444 hp 2.9L V6
- Exterior color:
- Daytona Gray Pearl Effect
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 74,143
- Stock #:
- 264435A
- VIN:
- WAUDFAF26LN088880
2020 Audi S6
2.9T quattro Premium Plus AWD
74,143 mi
Houston, TX
Great Deal
$30,820
- Year:
- 2018
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Moonlight Blue Metallic
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 68,443
- Stock #:
- JN046803
- VIN:
- WAUFFAFC0JN046803
New arrival
2018 Audi S6
4.0T quattro Premium Plus Sedan AWD
68,443 mi
Valencia, CA
Fair Deal
$31,985
- Year:
- 2017
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Blue
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 95,309
- Stock #:
- SP008404
- VIN:
- WAUHFAFC1HN008404
New arrival
2017 Audi S6
4.0T quattro Prestige Sedan AWD
95,309 mi
Castle Rock, CO
Good Deal
$25,110
- Year:
- 2020
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 444 hp 2.9L V6
- Exterior color:
- Blue Metallic
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 8-Speed Automatic
- Mileage:
- 57,202
- Stock #:
- 26N088322
- VIN:
- WAUDFAF25LN088322
2020 Audi S6
2.9T quattro Premium Plus AWD
57,202 mi
Las Vegas, NV
Fair Deal
$36,394
- Year:
- 2020
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 444 hp 2.9L V6
- Exterior color:
- Mythos Black Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 56,861
- Stock #:
- LN063795T
- VIN:
- WAUFFAF2XLN063795
Price drop
-$1,000
2020 Audi S6
2.9T quattro Prestige AWD
56,861 mi
Jacksonville, FL
Good Deal
$37,423
$36,423
- Year:
- 2018
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- White
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 64,421
- Stock #:
- M78344A
- VIN:
- WAUHFAFC5JN060253
2018 Audi S6
4.0T quattro Prestige Sedan AWD
64,421 mi
Sioux Falls, SD
Good Deal
$28,892
- Year:
- 2018
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Brilliant Black
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 41,720
- Stock #:
- STK030348
- VIN:
- WAUFFAFCXJN030348
2018 Audi S6
4.0T quattro Premium Plus Sedan AWD
41,720 mi
Spencerport, NY
Fair Deal
$37,976
- Year:
- 2016
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Black Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 94,268
- Stock #:
- X652
- VIN:
- WAUF2AFC8GN125978
2016 Audi S6
4.0T quattro Premium Plus Sedan AWD
94,268 mi
Austin, TX
Good Deal
$20,990
- Year:
- 2016
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 111,950
- VIN:
- WAUF2AFCXGN112858
2016 Audi S6
4.0T quattro Premium Plus Sedan AWD
111,950 mi
Bristol, CT
Fair Deal
$22,794
- Year:
- 2020
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 444 hp 2.9L V6
- Exterior color:
- Black Metallic
- Fuel type:
- Gasoline
- Interior color:
- Red
- Transmission:
- 8-Speed Automatic
- Mileage:
- 51,079
- Stock #:
- LN091371
- VIN:
- WAUFFAF2XLN091371
2020 Audi S6
2.9T quattro Prestige AWD
51,079 mi
Kalamazoo, MI
Great Deal
$35,304
- Year:
- 2015
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 82,203
- Stock #:
- 14046R
- VIN:
- WAUF2AFC2FN015295
Price drop
-$2,000
2015 Audi S6
4.0T quattro Sedan AWD
82,203 mi
White Bear Lake, MN
Good Deal
$23,800
$21,800
- Year:
- 2017
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 83,617
- Stock #:
- P53300
- VIN:
- WAUHFAFC4HN050369
Price drop
-$1,000
2017 Audi S6
4.0T quattro Prestige Sedan AWD
83,617 mi
Marietta, GA
Good Deal
$25,789
$24,789
- Year:
- 2017
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Black Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 76,630
- Stock #:
- 118953
- VIN:
- WAUFFAFC4HN118953
2017 Audi S6
4.0T quattro Premium Plus Sedan AWD
76,630 mi
Portland, OR
Good Deal
$26,746
- Year:
- 2016
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 54,510
- Stock #:
- P0500
- VIN:
- WAUF2AFC9GN176468
2016 Audi S6
4.0T quattro Premium Plus Sedan AWD
54,510 mi
Bonita Springs, FL
Fair Deal
$29,606
- Year:
- 2016
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 110,296
- Stock #:
- 226512
- VIN:
- WAUH2AFC1GN090290
2016 Audi S6
4.0T quattro Prestige Sedan AWD
110,296 mi
Inglewood, CA
Great Deal
$18,076
- Year:
- 2020
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 444 hp 2.9L V6
- Exterior color:
- Brilliant Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 67,469
- Stock #:
- 3741B
- VIN:
- WAUFFAF21LN031012
2020 Audi S6
2.9T quattro Prestige AWD
67,469 mi
Elmhurst, IL
Good Deal
$36,063
- Year:
- 2016
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 74,279
- Stock #:
- HM9007A
- VIN:
- WAUH2AFC1GN060223
Price drop
-$800
2016 Audi S6
4.0T quattro Prestige Sedan AWD
74,279 mi
State College, PA
Good Deal
$25,290
$24,490
- Year:
- 2018
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- IBIS WHITE
- Combined gas mileage:
- 20 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Dual Clutch
- Mileage:
- 92,500
- Stock #:
- LA105299
- VIN:
- WAUFFAFC4JN105299
2018 Audi S6
4.0T quattro Prestige Sedan AWD
92,500 mi
Lawrenceville, GA
Great Deal
$23,218
- Year:
- 2017
- Make:
- Audi
- Model:
- S6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 4L V8
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 88,861
- Stock #:
- 17688
- VIN:
- WAUFFAFC6HN002511
2017 Audi S6
4.0T quattro Premium Plus Sedan AWD
88,861 mi
Longmont, CO
Fair Deal
$26,138
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