Used Audi S4 for Sale Under $20,000
Showing 1-20 of 133 Listings
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$19,875
2019 Audi S4 3.0T quattro Premium Plus
- Sedan
- 103,558 Miles
- Brodheadsville, PA
$16,450
2019 Audi S4 3.0T quattro Premium Plus
- Sedan
- 136,000 Miles
- Snellville, GA
$19,491
2016 Audi S4 3.0T quattro Premium Plus
- Sedan
- 78,539 Miles
- Portland, OR
$15,499
2018 Audi S4 3.0T quattro Premium Plus
- Sedan
- 121,785 Miles
- Suwanee, GA
$12,886
2015 Audi S4 3.0T quattro Premium Plus
- Sedan
- 114,247 Miles
- Sandy, UT
$18,598
2018 Audi S4 3.0T quattro Premium Plus
- Sedan
- 102,521 Miles
- Jefferson, GA
$10,138
2011 Audi S4 3.0T quattro Premium Plus
- Sedan
- 99,458 Miles
- Upland, CA
$16,295
2015 Audi S4 3.0T quattro Premium Plus
- Sedan
- 96,951 Miles
- Portland, OR
$17,219
2015 Audi S4 3.0T quattro Premium Plus
- Sedan
- 87,670 Miles
- Houston, TX
$9,745
2010 Audi S4 3.0T quattro Premium Plus
- Sedan
- 103,863 Miles
- Salem, OR
$19,797
2016 Audi S4 3.0T quattro Premium Plus
- Sedan
- 80,965 Miles
- Escondido, CA
$19,767
2016 Audi S4 3.0T quattro Premium Plus
- Sedan
- 79,247 Miles
- Fort Pierce, FL
$16,790
2018 Audi S4 3.0T quattro Premium Plus
- Sedan
- 119,000 Miles
- Derby, CT
$12,995
2015 Audi S4 3.0T quattro Prestige
- Sedan
- 128,670 Miles
- Wrightstown, NJ
$12,115
2014 Audi S4 3.0T quattro Premium Plus
- Sedan
- 122,282 Miles
- Fremont, CA
$8,796
2005 Audi S4 quattro
- Convertible
- 82,222 Miles
- Indianapolis, IN
$18,998
2015 Audi S4 3.0T quattro Premium Plus
- Sedan
- 77,384 Miles
- Las Vegas, NV
$17,995
2013 Audi S4 3.0T quattro Premium Plus
- Sedan
- 60,301 Miles
- East Windsor, CT
$11,054
2014 Audi S4 3.0T quattro Premium Plus
- Sedan
- 136,779 Miles
- Roseville, CA
$14,995
2014 Audi S4 3.0T quattro Premium Plus
- Sedan
- 101,324 Miles
- Dallas, TX
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Used Cars for Sale Insights
What colors are the best deals for a Audi S4?
Least Expensive Color
Blue
$1,009
Average Savings
Most Expensive Color
Red
$1,040
Average Premium
Average car color pricing for a used Audi S4?
| Rank | Color | Compared to Avg. Price |
|---|---|---|
| Blue | $1,009 Savings | |
| Black | $53 Savings | |
| Gray | $112 Higher | |
| White | $197 Higher | |
| Red | $1,040 Higher |
What Audi S4 color has the best resale value?
Price differences by car color compared to the average price of a used Audi S4
What is the best time to buy a used Audi S4?
Good times to buy
$237 Average Savings
January, August, September, October, November, December are good times to buy to find the best prices.
Good times to sell
$241 Average Premium
February, March, April, May, June, July are good times to sell to get the best prices.