Cheapest · Used 2020 Audi S6
Rank #1 / 19 listings
Cheapest Used 2020 Audi S6 for Sale in the US
The cheapest used 2020 Audi S6 in the US today costs $30,480 — a 2020 Quattro Prestige located in Midlothian, IL. We track 19 active listings; the median price is $37,750, so the top deal is $7,270 under the median.
Browse by model year
cheapest per year- All years
- 2025 · from $57,914
- 2024 · from $59,799
- 2023 · from $50,413
- 2022 · from $38,888
- 2021 · from $30,992
- 2020 · from $30,480
- 2018 · from $21,499
- 2017 · from $14,995
- 2016 · from $14,275
- 2015 · from $15,000
- 2014 · from $10,496
- 2013 · from $14,392
- 2010 · from $19,000
- 2008 · from $11,995
- 2007 · from $2,989
- 2002 · from $14,995
Top 10 cheapest listings
ranked by price-
$30,4802020 Audi S6 Quattro Prestige103,150 mi · Midlothian, IL · Car and Drive MotorsportsView listing → -
$31,3922020 Audi S6 Quattro Premium Plus74,143 mi · Houston, TX · Mac Haik ChevroletView listing → -
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$35,9882020 Audi S6 Quattro Premium Plus61,120 mi · Somerset, WI · Somerset Sales and LeasingView listing → -
$36,9502020 Audi S6 Quattro Premium Plus49,411 mi · Livermore, CA · California Diversified VenturesView listing → -
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$37,2162020 Audi S6 Quattro Prestige77,343 mi · Conroe, TX · Gullo Ford of Conroe - The WoodlandsView listing →
Deals on the map
10 pinnedFAQ
How much does the cheapest used 2020 Audi S6 cost?
$30,480 — a 2020 Quattro Prestige in Midlothian, IL (as of 2026-07-19).
What is the median price of a used 2020 Audi S6?
$37,750 across 19 US dealer active listings.
How often are prices updated?
Listings and prices refresh continuously; this page is re-generated at least twice a day.
Explore more
Prices updated 2026-07-19. Data covers active dealer listings across the USA.