Used Audi A6 for Sale Under $20,000
1,095 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 102,125
- Stock #:
- 8878
- VIN:
- WAUF8AFC4JN107726
Price drop
-$389
2018 Audi A6
2.0T quattro Premium Plus Sedan AWD
102,125 mi
Frankfort, KY
Fair Deal
$15,687
$15,298
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 240 hp 3L V6 Diesel
- Exterior color:
- Moonlight Blue Metallic
- Combined gas mileage:
- 31 MPG
- Fuel type:
- Diesel
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 110,767
- Stock #:
- ATGN090443
- VIN:
- WAUFMAFC9GN090443
Price drop
-$450
2016 Audi A6
3.0 TDI quattro Premium Plus Sedan AWD
110,767 mi
Littleton, CO
Good Deal
$14,549
$14,099
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Glacier White Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Atlas Beige)
- Transmission:
- Automatic
- Mileage:
- 86,984
- Stock #:
- 041302
- VIN:
- WAUH2AFCXHN041302
2017 Audi A6
3.0T quattro Prestige Sedan AWD
86,984 mi
Union Gap, WA
Good Deal
$18,686
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Engine:
- 2L I4
- Exterior color:
- Tornado Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 56,401
- Stock #:
- JN08207A
- VIN:
- WAUF8AFCXJN082072
Price drop
-$500
2018 Audi A6
56,401 mi
Ft Myers, FL
Good Deal
$18,792
$18,292
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 248 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 7-Speed Dual Clutch
- Mileage:
- 70,565
- Stock #:
- N12876
- VIN:
- WAUD8AF24KN130214
2019 Audi A6
45 TFSI quattro Premium Sedan AWD
70,565 mi
Thornton, CO
Good Deal
$18,971
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Black Sapphire Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 126,488
- Stock #:
- WEB594710
- VIN:
- WAUG8AFC3HN100605
2017 Audi A6
2.0T quattro Premium Plus Sedan AWD
126,488 mi
Los Angeles, CA
Fair Deal
$10,340
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Silver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 72,306
- Stock #:
- N099944
- VIN:
- WAUK2AF24KN099944
Price drop
-$1,671
2019 Audi A6
55 TFSI quattro Premium Sedan AWD
72,306 mi
Colorado Springs, CO
Great Deal
$19,571
$18,795
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 119,013
- Stock #:
- 007728
- VIN:
- WAUF2AFC7HN007728
2017 Audi A6
3.0T quattro Premium Plus Sedan AWD
119,013 mi
Nampa, ID
Good Deal
$13,920
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 128,447
- Stock #:
- 047445
- VIN:
- WAUG8AFC7JN047445
2018 Audi A6
2.0T quattro Premium Plus Sedan AWD
128,447 mi
South Bend, IN
Fair Deal
$13,696
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 3L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 114,706
- Stock #:
- 26474 M
- VIN:
- WAUH3AFC4JN058048
2018 Audi A6
3.0T quattro Prestige Sedan AWD
114,706 mi
Jenison, MI
Good Deal
$15,900
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Mythos Black Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 73,335
- Stock #:
- 31570
- VIN:
- WAUG8AFC9JN029447
2018 Audi A6
2.0T quattro Premium Plus Sedan AWD
73,335 mi
Abington, MA
Good Deal
$16,346
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 248 hp 2L I4
- Exterior color:
- Glacier White Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Pearl Beige)
- Transmission:
- Automatic
- Mileage:
- 83,080
- Stock #:
- 15967E
- VIN:
- WAUD8AF29KN131164
Price drop
-$530
2019 Audi A6
45 TFSI quattro Premium Sedan AWD
83,080 mi
Rome, NY
Great Deal
$18,505
$17,975
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Fuel type:
- Gasoline
- Interior color:
- Brown (Pearl Beige)
- Transmission:
- 7-Speed Automatic
- Mileage:
- 81,131
- Stock #:
- BP27129A
- VIN:
- WAUL2AF29KN115236
Price drop
-$466
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
81,131 mi
Toledo, OH
Good Deal
$19,747
$19,281
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 73,815
- Stock #:
- A7774A
- VIN:
- WAUL2AF22KN026642
Price drop
-$399
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
73,815 mi
Fife, WA
Great Deal
$19,987
$19,588
- Year:
- 2014
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 310 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 126,850
- VIN:
- WAUHGAFC8EN053252
2014 Audi A6
3.0T quattro Prestige Sedan AWD
126,850 mi
Queens, NY
Fair Deal
$8,975
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Daytona Gray Pearl
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 94,527
- Stock #:
- 51747
- VIN:
- WAUL2AF28KN018092
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
94,527 mi
Middleton, WI
Good Deal
$19,389
- Year:
- 2015
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 220 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 83,230
- Stock #:
- 2276
- VIN:
- WAUFFAFC9FN016836
2015 Audi A6
2.0T quattro Premium Sedan AWD
83,230 mi
East Syracuse, NY
Fair Deal
$12,645
- Year:
- 2015
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 310 hp 3L V6
- Exterior color:
- Black
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 59,767
- Stock #:
- 025655P
- VIN:
- WAUFGAFCXFN025655
New arrival
2015 Audi A6
3.0T quattro Premium Plus Sedan AWD
59,767 mi
Brentwood, CA
Fair Deal
$14,140
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Mythos Black Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gone
- Transmission:
- 8-Speed Automatic
- Mileage:
- 38,720
- Stock #:
- S25428A
- VIN:
- WAUFGAFC7GN132762
New arrival
2016 Audi A6
3.0T quattro Premium Plus Sedan AWD
38,720 mi
St. Charles, IL
Fair Deal
$19,163
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Brilliant Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 71,881
- Stock #:
- 067423
- VIN:
- WAUG8AFC9JN067423
2018 Audi A6
2.0T quattro Premium Plus Sedan AWD
71,881 mi
Rancho Cordova, CA
Good Deal
$16,065
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 122,946
- Stock #:
- 26034
- VIN:
- WAUGFAFC8GN144832
2016 Audi A6
2.0T quattro Premium Plus Sedan AWD
122,946 mi
Hamden, CT
Fair Deal
$10,293
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 3L V6
- Exterior color:
- Mythos Black Metallic
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 90,507
- Stock #:
- 107961
- VIN:
- WAUH3AFC4JN107961
2018 Audi A6
3.0T quattro Prestige Sedan AWD
90,507 mi
Rancho Cordova, CA
Fair Deal
$18,065
- Year:
- 2014
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 220 hp 2L I4
- Exterior color:
- Gold
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Transmission:
- 8-Speed Automatic
- Mileage:
- 78,955
- Stock #:
- 6805
- VIN:
- WAUGFAFC2EN157394
New arrival
2014 Audi A6
2.0T quattro Premium Plus Sedan AWD
78,955 mi
Boise, ID
Good Deal
$11,415
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 340 hp 3L V6
- Exterior color:
- Blue
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 82,819
- Stock #:
- S72376
- VIN:
- WAUH3BFC1JN106207
New arrival
2018 Audi A6
3.0T quattro Prestige Sedan AWD
82,819 mi
Englewood, CO
Good Deal
$19,487
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