Used Audi A4 for Sale Under $20,000 NearCastaic, CA
170 vehicles found
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2021
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 201 hp 2L I4
- Exterior color:
- Ibis White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 47,481
- Stock #:
- 260750A
- VIN:
- WAUABAF41MA032984
Price drop
-$762
Sponsored by Simi Valley Chevrolet
2021 Audi A4
quattro Premium 40 TFSI AWD
47,481 mi
Simi Valley, CA
19 mi away
Fair Deal
$20,551
$19,874
- Year:
- 2017
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 190 hp 2L I4
- Exterior color:
- Moonlight Blue Metallic
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 84,309
- Stock #:
- N885
- VIN:
- WAULMAF43HN069164
Price drop
-$500
Sponsored Listing
2017 Audi A4
2.0T ultra Premium Plus FWD
84,309 mi
North Hills, CA
23 mi away
Good Deal
$11,999
$11,499
- Year:
- 2012
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 211 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 94,640
- Stock #:
- FA12193
- VIN:
- WAUAFAFL9CN012193
Sponsored Listing
2012 Audi A4
2.0T Premium Sedan FWD
94,640 mi
North Hills, CA
23 mi away
Fair Deal
$7,969
- Year:
- 2021
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 201 hp 2L I4
- Exterior color:
- Ibis White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 47,481
- Stock #:
- 260750A
- VIN:
- WAUABAF41MA032984
Price drop
-$762
2021 Audi A4
quattro Premium 40 TFSI AWD
47,481 mi
Simi Valley, CA
19 mi away
Fair Deal
$20,551
$19,874
- Year:
- 2020
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 188 hp 2L I4
- Exterior color:
- Blue
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 35,947
- Stock #:
- LA042960T
- VIN:
- WAUHMAF45LA042960
Price drop
-$530
2020 Audi A4
40 TFSI Premium Plus FWD
35,947 mi
Van Nuys, CA
27 mi away
Good Deal
$20,085
$19,736
- Year:
- 2015
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 220 hp 2L I4 Flex Fuel Vehicle
- Exterior color:
- Gray
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- 8-Speed Automatic
- Mileage:
- 52,487
- Stock #:
- 2938
- VIN:
- WAUFFAFL7FN019198
2015 Audi A4
2.0T quattro Premium Plus AWD
52,487 mi
Home delivery from Rochester, WA
Price includes $879 shipping
Fair Deal
$15,026
- Year:
- 2016
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 220 hp 2L I4 Flex Fuel Vehicle
- Exterior color:
- Red
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 38,109
- Stock #:
- 70283225
- VIN:
- WAUFFAFL0GN003412
New arrival
2016 Audi A4
2.0T quattro Premium Plus AWD
38,109 mi
Store transfer to Canoga Park, CA
Free shipping to Canoga Park, CA
Fair Deal
$19,998
- Year:
- 2019
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 188 hp 2L I4
- Exterior color:
- Brilliant Black
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 81,661
- Stock #:
- N12709A
- VIN:
- WAUHMAF45KA078226
2019 Audi A4
Premium Plus 40 TFSI FWD
81,661 mi
Thousand Oaks, CA
27 mi away
Good Deal
$14,606
- Year:
- 2019
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 188 hp 2L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 7-Speed Automatic
- Mileage:
- 89,160
- Stock #:
- MM16230
- VIN:
- WAUHMAF44KN016230
Price drop
-$400
2019 Audi A4
Premium Plus 40 TFSI FWD
89,160 mi
North Hills, CA
23 mi away
Good Deal
$14,970
$14,570
- Year:
- 2017
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown
- Transmission:
- Automatic
- Mileage:
- 74,842
- Stock #:
- 13049
- VIN:
- WAUANAF47HA177668
2017 Audi A4
2.0T quattro Premium AWD
74,842 mi
Sherman Oaks, CA
29 mi away
Good Deal
$14,545
- Year:
- 2020
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 188 hp 2L I4
- Exterior color:
- Glacier White Metallic
- Combined gas mileage:
- 31 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Atlas Beige)
- Transmission:
- Automatic
- Mileage:
- 56,110
- Stock #:
- LN009179
- VIN:
- WAUHMAF44LN009179
2020 Audi A4
40 TFSI Premium Plus FWD
56,110 mi
Home delivery from Norco, CA
Price includes $116 shipping
Fair Deal
$18,700
- Year:
- 2014
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 220 hp 2L I4 Flex Fuel Vehicle
- Exterior color:
- Off white
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Flex Fuel Vehicle
- Interior color:
- Brown (Beige)
- Transmission:
- 8-Speed Automatic
- Mileage:
- 111,100
- Stock #:
- EN011864
- VIN:
- WAUFFAFL2EN011864
2014 Audi A4
2.0T quattro Premium Plus AWD
111,100 mi
Los Angeles, CA
45 mi away
Fair Deal
$9,113
- Year:
- 2018
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Blue
- Fuel type:
- Gasoline
- Interior color:
- Light Gray
- Transmission:
- 7-Speed Automatic
- Mileage:
- 112,874
- Stock #:
- 712
- VIN:
- WAUENAF4XJN018286
2018 Audi A4
2.0 TFSI quattro Premium Plus AWD
112,874 mi
Home delivery from San Jose, CA
Price includes $265 shipping
Great Deal
$10,345
- Year:
- 2013
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 211 hp 2L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 104,960
- Stock #:
- MM38817
- VIN:
- WAUAFAFL6DN038817
2013 Audi A4
2.0T Premium FWD
104,960 mi
North Hills, CA
23 mi away
Fair Deal
$7,970
- Year:
- 2017
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Ibis White
- Combined gas mileage:
- 29 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 111,630
- Stock #:
- 010592
- VIN:
- WAULNAF48HN010592
2017 Audi A4
2.0T Premium Plus FWD
111,630 mi
Los Angeles, CA
38 mi away
Good Deal
$10,345
- Year:
- 2018
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 190 hp 2L I4
- Exterior color:
- Glacier White Metallic
- Combined gas mileage:
- 32 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 73,831
- Stock #:
- 3499
- VIN:
- WAUKMAF44JA141031
2018 Audi A4
2.0 TFSI ultra Premium FWD
73,831 mi
Panorama City, CA
22 mi away
Good Deal
$13,865
- Year:
- 2018
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- [W1] Moonlight Blue Metallic
- Combined gas mileage:
- 29 MPG
- Fuel type:
- Gasoline
- Interior color:
- Nougat Brown/Black
- Transmission:
- Automatic
- Mileage:
- 61,549
- VIN:
- WAUENAF45JA231332
![[W1] Moonlight Blue Metallic 2018 Audi A4 Sedan All-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/08/06/13/53/2018_audi_a4-pic-447981418135247124-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2018 Audi A4
2.0 TFSI quattro Premium Plus AWD
61,549 mi
Burbank, CA
28 mi away
Great Deal
$16,075
- Year:
- 2022
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 261 hp 2L I4
- Exterior color:
- [N6N6] Turbo Blue
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 65,452
- VIN:
- WAUEAAF42NN015139
![[N6N6] Turbo Blue 2022 Audi A4 Sedan All-Wheel Drive Automatic](https://static.cargurus.com/images/forsale/2026/08/11/02/08/2022_audi_a4-pic-516512251252688862-1024x768.jpeg?io=true&width=640&height=480&fit=bounds&format=jpg&auto=webp)
2022 Audi A4
quattro Premium Plus S Line 45 TFSI AWD
65,452 mi
Burbank, CA
28 mi away
Great Deal
$19,075
- Year:
- 2012
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 211 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 94,640
- Stock #:
- FA12193
- VIN:
- WAUAFAFL9CN012193
2012 Audi A4
2.0T Premium Sedan FWD
94,640 mi
North Hills, CA
23 mi away
Fair Deal
$7,969
- Year:
- 2018
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 190 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 32 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- Automatic
- Mileage:
- 87,569
- Stock #:
- 3542
- VIN:
- WAUKMAF49JA131546
2018 Audi A4
2.0 TFSI ultra Premium FWD
87,569 mi
Panorama City, CA
22 mi away
Good Deal
$12,953
- Year:
- 2013
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 211 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Continuously Variable Transmission
- Mileage:
- 150,681
- Stock #:
- FP297679-1
- VIN:
- WAUEFAFL8DN043387
New arrival
2013 Audi A4
2.0T Premium Plus FWD
150,681 mi
Los Angeles, CA
40 mi away
Fair Deal
$6,161
- Year:
- 2018
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 190 hp 2L I4
- Exterior color:
- Pewter
- Combined gas mileage:
- 32 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (Tan)
- Transmission:
- Automatic
- Mileage:
- 67,685
- Stock #:
- 008686
- VIN:
- WAULMAF46JN008686
New arrival
2018 Audi A4
2.0 TFSI ultra Premium Plus FWD
67,685 mi
Home delivery from Gilroy, CA
Price includes $354 shipping
Fair Deal
$16,970
- Year:
- 2018
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 29 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 84,513
- Stock #:
- 70280902
- VIN:
- WAUENAF48JA066392
2018 Audi A4
2.0 TFSI quattro Premium Plus AWD
84,513 mi
Store transfer to Canoga Park, CA
Price includes $149 shipping
Fair Deal
$18,147
- Year:
- 2006
- Make:
- Audi
- Model:
- A4
- Body type:
- Sedan
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 200 hp 2L I4
- Exterior color:
- Silver
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 78,043
- Stock #:
- #1112
- VIN:
- WAUDF78EX6A098527
Sponsored Listing
2006 Audi A4
2.0T quattro Sedan AWD
78,043 mi
Glendale, CA
35 mi away
Fair Deal
$7,165
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