Used 2021 Audi S8 Price in the US
A used 2021 Audi S8 in the US typically lists for $44,398–$52,452, with a median asking price of $49,908 across 3 active US dealer listings (as of 2026-09-02). The cheapest one listed right now is $38,888, a 2021 Quattro in Sherman, TX — 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 $87,991
- 2024 · from $78,339
- 2023 · from $55,753
- 2022 · from $52,990
- 2021 · from $38,888
- 2020 · from $29,999
- 2017 · from $28,255
- 2016 · from $23,995
- 2015 · from $18,270
- 2014 · from $14,995
- 2013 · from $14,986
- 2009 · from $14,199
- 2008 · from $14,950
- 2007 · from $4,999
- 2001 · from $4,995
Cheapest 3 listed right now
ranked by price
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2021 Audi S8 asks $44,398–$52,452. Cars this far under usually carry an older model year, a base trim or high mileage.
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3 pinnedFAQ
How much does a used 2021 Audi S8 cost?
A used 2021 Audi S8 in the US typically lists for $44,398 to $52,452, with a median asking price of $49,908 across 3 active US dealer listings. Nine in ten are priced between $39,990 and $54,486 (as of 2026-09-02, source: UnderMarket Cars).
Is $50,000 a good price for a used 2021 Audi S8?
That sits at about the market median ($49,908) for a used 2021 Audi S8. Under $44,398 puts you in the cheapest quarter of active US listings and under $39,990 in the cheapest 5%; above $54,486 is the priciest 5% (as of 2026-09-02).
What is the cheapest used 2021 Audi S8 for sale right now?
$38,888 — a 2021 Audi S8 Quattro in Sherman, TX, $11,020 under the median (as of 2026-09-02).
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 2021 Audi S8 price page at least twice a day. The data date shown on this page is 2026-09-02.
Explore more
Prices updated 2026-09-02. Data covers active dealer listings across the USA.