Used Audi A6 for Sale Under $40,000 NearCastaic, CA
197 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Chronos Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 32,504
- Stock #:
- PN061733P
- VIN:
- WAUD3BF26PN061733
Sponsored by Audi Calabasas
2023 Audi A6
quattro Premium 45 TFSI
32,504 mi
Calabasas, CA
26 mi away
Great Deal
$28,677
- Year:
- 2024
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 51,683
- Stock #:
- 00R13388
- VIN:
- WAUE3BF27RN042633
Sponsored Listing
2024 Audi A6
quattro Premium Plus 45 TFSI
51,683 mi
Gardena, CA
48 mi away
Good Deal
$25,510
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Silver/Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 95,671
- Stock #:
- KN020781
- VIN:
- WAUK2AF23KN020781
Sponsored Listing
2019 Audi A6
55 TFSI quattro Premium Sedan AWD
95,671 mi
Valencia, CA
9 mi away
Good Deal
$17,234
- 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:
- 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:
- 115,800
- Stock #:
- 053840
- VIN:
- WAUG3AFC1JN053840
2018 Audi A6
3.0T quattro Premium Plus Sedan AWD
115,800 mi
Home delivery from Rancho Cordova, CA
Price includes $571 shipping
Fair Deal
$15,636
- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Chronos Gray Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 32,504
- Stock #:
- PN061733P
- VIN:
- WAUD3BF26PN061733
2023 Audi A6
quattro Premium 45 TFSI
32,504 mi
Calabasas, CA
26 mi away
Great Deal
$28,677
- 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
Price drop
-$600
2019 Audi A6
55 TFSI quattro Premium Plus Sedan AWD
42,259 mi
Alhambra, CA
41 mi away
Good Deal
$23,632
$23,032
- Year:
- 2024
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 51,683
- Stock #:
- 00R13388
- VIN:
- WAUE3BF27RN042633
2024 Audi A6
quattro Premium Plus 45 TFSI
51,683 mi
Gardena, CA
48 mi away
Good Deal
$25,510
- Year:
- 2024
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Gray
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 32,099
- Stock #:
- 1111
- VIN:
- WAUL2BF28RN055398
2024 Audi A6
quattro Premium Plus 55 TFSI
32,099 mi
Gardena, CA
50 mi away
Great Deal
$29,999
- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 39,314
- Stock #:
- PN068351P
- VIN:
- WAUE3BF2XPN068351
Price drop
-$1,011
2023 Audi A6
quattro Premium Plus 45 TFSI
39,314 mi
Van Nuys, CA
27 mi away
Fair Deal
$31,995
$31,069
- 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:
- 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
2020 Audi A6
45 TFSI quattro Premium AWD
52,894 mi
Valencia, CA
9 mi away
Good Deal
$21,859
- 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
$14,672
- 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:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Blue
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 26,266
- Stock #:
- 28783558
- VIN:
- WAUL2BF26PN090468
New arrival
2023 Audi A6
quattro Premium Plus 55 TFSI
26,266 mi
Store transfer to Canoga Park, CA
Price includes $1,999 shipping
Fair Deal
$37,997
- 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
Good Deal
$15,075
- Year:
- 2019
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 335 hp 3L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 92,233
- Stock #:
- 031695CL
- VIN:
- WAUM2AF29KN031695
New arrival
2019 Audi A6
55 TFSI quattro Prestige Sedan AWD
92,233 mi
Home delivery from Elyria, OH
Price includes $1,524 shipping
Fair Deal
$21,919
- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Mythos Black Metallic
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 16,180
- Stock #:
- 11465
- VIN:
- WAUD3BF21PN019213
2023 Audi A6
quattro Premium 45 TFSI
16,180 mi
Home delivery from Berwyn, IL
Price includes $1,220 shipping
Good Deal
$33,320
- 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:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- Black Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 31,005
- Stock #:
- PN069280
- VIN:
- WAUE3BF27PN069280
New arrival
2023 Audi A6
quattro Premium Plus 45 TFSI
31,005 mi
Home delivery from Dallas, TX
Price includes $1,256 shipping
Fair Deal
$32,077
- Year:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Brown (Pearl Beige)
- Transmission:
- 7-Speed Automatic
- Mileage:
- 18,047
- Stock #:
- PN035384P
- VIN:
- WAUD3BF29PN035384
2023 Audi A6
quattro Premium 45 TFSI
18,047 mi
Van Nuys, CA
27 mi away
Fair Deal
$32,978
- 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
$19,080
- 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:
- 2023
- Make:
- Audi
- Model:
- A6
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Brown (Pearl Beige)
- Transmission:
- 7-Speed Automatic
- Mileage:
- 18,047
- Stock #:
- PN035384P
- VIN:
- WAUD3BF29PN035384
Sponsored Listing
2023 Audi A6
quattro Premium 45 TFSI
18,047 mi
Van Nuys, CA
27 mi away
Fair Deal
$32,978
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