Used Audi A6 for Sale Under $25,000 NearCastaic, CA
124 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2020
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 248 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- Automatic
- Mileage:
- 52,894
- Stock #:
- LN003688
- VIN:
- WAUD8AF24LN003688
Price drop
-$874
Sponsored by AutoNation Ford Valencia
2020 Audi A6
45 TFSI quattro Premium AWD
52,894 mi
Valencia, CA
9 mi away
Good Deal
$21,859
$20,985
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Florett Silver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 39,635
- Stock #:
- KN119095A
- VIN:
- WAUL2AF24KN119095
Sponsored Listing
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
39,635 mi
Oxnard, CA
36 mi away
Good Deal
$23,764
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 7-Speed Automatic
- Mileage:
- 42,259
- Stock #:
- KN075776T
- VIN:
- WAUL2AF24KN075776
Sponsored Listing
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
42,259 mi
Alhambra, CA
41 mi away
Fair Deal
$23,032
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 7-Speed Automatic
- Mileage:
- 109,014
- Stock #:
- ESTO2904
- VIN:
- WAUD8AFC1HN002904
2017 Audi A6
2.0T Premium Plus Sedan FWD
109,014 mi
Thousand Oaks, CA
28 mi away
Good Deal
$10,638
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- 7-Speed Automatic
- Mileage:
- 68,859
- Stock #:
- 4378
- VIN:
- WAUC8AFC9JN059563
New arrival
2018 Audi A6
2.0T Premium Sedan FWD
68,859 mi
Home delivery from Fresno, CA
Price includes $254 shipping
Fair Deal
$16,512
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- 7-Speed Automatic
- Mileage:
- 42,259
- Stock #:
- KN075776T
- VIN:
- WAUL2AF24KN075776
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
42,259 mi
Alhambra, CA
41 mi away
Fair Deal
$23,032
- Year:
- 2020
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 248 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Beige)
- Transmission:
- Automatic
- Mileage:
- 52,894
- Stock #:
- LN003688
- VIN:
- WAUD8AF24LN003688
Price drop
-$874
2020 Audi A6
45 TFSI quattro Premium AWD
52,894 mi
Valencia, CA
9 mi away
Good Deal
$21,859
$20,985
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Moonlight Blue
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 89,297
- Stock #:
- TV28114
- VIN:
- WAUF8AFC2HN074882
2017 Audi A6
2.0T quattro Premium Sedan AWD
89,297 mi
Van Nuys, CA
26 mi away
Fair Deal
$14,172
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 51,356
- Stock #:
- 70278075
- VIN:
- WAUGFAFC7GN075373
2016 Audi A6
2.0T quattro Premium Plus Sedan AWD
51,356 mi
Store transfer to Canoga Park, CA
Price includes $149 shipping
Good Deal
$18,147
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Java Brown Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Atlas Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 76,215
- Stock #:
- T261043
- VIN:
- WAUF2AFC6HN046035
2017 Audi A6
3.0T quattro Premium Plus Sedan AWD
76,215 mi
Ventura, CA
38 mi away
Fair Deal
$17,536
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Florett Silver Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 39,635
- Stock #:
- KN119095A
- VIN:
- WAUL2AF24KN119095
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
39,635 mi
Oxnard, CA
36 mi away
Good Deal
$23,764
- Year:
- 2021
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Glacier White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 69,894
- Stock #:
- 39320
- VIN:
- WAUM2BF28MN021085
Price drop
-$999
2021 Audi A6
quattro Prestige 55 TFSI AWD
69,894 mi
Home delivery from Fullerton, CA
Price includes $90 shipping
Great Deal
$24,266
$23,267
- Year:
- 2020
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 248 hp 2L I4
- Exterior color:
- Vesuvius Gray Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 98,307
- Stock #:
- 086241
- VIN:
- WAUE8AF28LN086241
2020 Audi A6
45 TFSI quattro Premium Plus AWD
98,307 mi
Home delivery from Hasbrouck Heights, NJ
Price includes $2,452 shipping
Fair Deal
$20,851
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- [W1] Moonlight Blue Metallic
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 56,963
- VIN:
- WAUGFAFC3GN159111
![[W1] Moonlight Blue Metallic 2016 Audi A6 Sedan All-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/06/14/04/14/2016_audi_a6-pic-7156659621863973303-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2016 Audi A6
2.0T quattro Premium Plus Sedan AWD
56,963 mi
Burbank, CA
28 mi away
Fair Deal
$15,075
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- [2Y] Glacier White Metallic
- Combined gas mileage:
- 29 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Atlas Beige)
- Transmission:
- Automatic
- Mileage:
- 82,530
- VIN:
- WAUD8AFC7HN124697
![[2Y] Glacier White Metallic 2017 Audi A6 Sedan Front-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/07/07/02/17/2017_audi_a6-pic-6208926821756618309-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2017 Audi A6
2.0T Premium Plus Sedan FWD
82,530 mi
Burbank, CA
28 mi away
Good Deal
$13,575
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 75,650
- Stock #:
- 065386
- VIN:
- WAUK2AF22KN065386
2019 Audi A6
55 TFSI quattro Premium Sedan AWD
75,650 mi
Home delivery from Fullerton, CA
Free home delivery
Fair Deal
$18,995
- Year:
- 2016
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 97,855
- Stock #:
- N110538
- VIN:
- WAUFGAFC2GN110538
2016 Audi A6
3.0T quattro Premium Plus Sedan AWD
97,855 mi
North Hills, CA
23 mi away
Great Deal
$11,375
- Year:
- 2018
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 56,612
- Stock #:
- NE-040599
- VIN:
- WAUC8AFC1JN040599
2018 Audi A6
2.0T Premium Sedan FWD
56,612 mi
Home delivery from Pittsburg, CA
Price includes $436 shipping
Good Deal
$16,511
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 2L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 29 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 94,113
- Stock #:
- 053204MM
- VIN:
- WAUC8AFC3HN053204
2017 Audi A6
2.0T Premium Sedan FWD
94,113 mi
Home delivery from Hollywood, FL
Price includes $2,353 shipping
Fair Deal
$13,341
- Year:
- 2021
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Glacier White Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 43,409
- Stock #:
- A6048223-1
- VIN:
- WAUD3AF24MN068704
Photos coming soon
2021 Audi A6
quattro Sport Premium 45 TFSI AWD
43,409 mi
Los Angeles, CA
40 mi away
Great Deal
$23,991
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 248 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 96,645
- Stock #:
- 131181
- VIN:
- WAUD8AF29KN131181
2019 Audi A6
45 TFSI quattro Premium Plus Sedan AWD
96,645 mi
Home delivery from Houston, TX
Price includes $1,397 shipping
Fair Deal
$17,396
- Year:
- 2017
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 333 hp 3L V6
- Exterior color:
- Moonlight Blue Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Nougat Brown
- Transmission:
- 8-Speed Automatic
- Mileage:
- 102,057
- Stock #:
- 007187
- VIN:
- WAUH2AFC9HN007187
2017 Audi A6
3.0T quattro Prestige Sedan AWD
102,057 mi
Home delivery from Rancho Cordova, CA
Price includes $571 shipping
Fair Deal
$15,236
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Glacier White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 70,638
- Stock #:
- KN083570
- VIN:
- WAUL2AF22KN083570
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
70,638 mi
Home delivery from Palmetto Bay, FL
Free home delivery
Good Deal
$21,299
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 75,811
- Stock #:
- PL60265AA
- VIN:
- WAUM2BF26KN079533
Sponsored Listing
2019 Audi A6
55 TFSI quattro Prestige Sedan AWD
75,811 mi
Culver City, CA
40 mi away
Good Deal
$19,952
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