Used 2020 Audi S6 Price in the US
A used 2020 Audi S6 in the US typically lists for $35,121–$37,995, with a median asking price of $35,995 across 25 active US dealer listings (as of 2026-09-01). The cheapest one listed right now is $30,500, a 2020 Quattro Premium Plus in Lancaster, PA — below 95% of the market, so expect an older model year, a base trim or high mileage.
Browse by model year
cheapest per year- All years
- 2025 · from $53,991
- 2024 · from $54,789
- 2023 · from $48,994
- 2022 · from $34,995
- 2021 · from $29,995
- 2020 · from $30,500
- 2018 · from $19,995
- 2017 · from $14,995
- 2016 · from $14,999
- 2015 · from $16,157
- 2014 · from $13,999
- 2013 · from $10,415
- 2010 · from $12,999
- 2009 · from $23,900
- 2008 · from $10,999
- 2007 · from $8,556
- 2002 · from $14,995
Cheapest 10 listed right now
ranked by price-
$30,5002020 Audi S6 Quattro Premium Plus88,824 mi · Lancaster, PA · Auto Connection of LancasterView listing → -
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$31,9952020 Audi S6 Quattro Premium Plus64,305 mi · Wayne, NJ · The Car House of GarfieldView listing → -
$32,9852020 Audi S6 Quattro Premium Plus68,560 mi · Paterson, NJ · Fast Track MotorsView listing →
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$33,9952020 Audi S6 Quattro Prestige56,861 mi · Jacksonville, FL · Audi of Orange ParkView listing →
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$35,1212020 Audi S6 Quattro Premium Plus64,013 mi · Santa Clara, CA · Frontier FordView listing → -
$35,3492020 Audi S6 Quattro Premium Plus59,976 mi · Monroeville, NJ · Volkswagen of Salem CountyView listing → -
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2020 Audi S6 asks $35,121–$37,995. Cars this far under usually carry an older model year, a base trim or high mileage.
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10 pinnedFAQ
How much does a used 2020 Audi S6 cost?
A used 2020 Audi S6 in the US typically lists for $35,121 to $37,995, with a median asking price of $35,995 across 25 active US dealer listings. Nine in ten are priced between $31,909 and $41,111 (as of 2026-09-01, source: UnderMarket Cars).
Is $36,000 a good price for a used 2020 Audi S6?
That sits at about the market median ($35,995) for a used 2020 Audi S6. Under $35,121 puts you in the cheapest quarter of active US listings and under $31,909 in the cheapest 5%; above $41,111 is the priciest 5% (as of 2026-09-01).
What is the cheapest used 2020 Audi S6 for sale right now?
$30,500 — a 2020 Audi S6 Quattro Premium Plus in Lancaster, PA, $5,495 under the median (as of 2026-09-01).
Are these MSRP or real asking prices?
Real asking prices from active US dealer listings, deduplicated by VIN — not manufacturer MSRP. They already reflect dealer discounts, and they exclude tax, title, registration and dealer fees.
How often are prices updated?
UnderMarket Cars refreshes US dealer listings continuously and re-generates this used 2020 Audi S6 price page at least twice a day. The data date shown on this page is 2026-09-01.
Explore more
Prices updated 2026-09-01. Data covers active dealer listings across the USA.