Live US dealer listings Median-priced benchmark Updated 2026-10-12
Market price · Used 2021 Audi S8 4 listings tracked

Used 2021 Audi S8 Price in the US

A used 2021 Audi S8 in the US typically lists for $46,482–$52,930, with a median asking price of $49,951 across 4 active US dealer listings (as of 2026-10-12). The cheapest one listed right now is $38,944, a 2021 Quattro in Austin, TX — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

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Cheapest 4 listed right now

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  1. 2021 Audi S8
    $38,944
    2021 Audi S8 Quattro
    90,219 mi · Austin, TX · Vanguard Volkswagen of North Austin
    View listing →
  2. 2021 Audi S8
    $48,995
    2021 Audi S8 Quattro
    51,505 mi · West Chicago, IL · Affinity Auto Sales
    View listing →
  3. 2021 Audi S8
    $50,908
    2021 Audi S8 Quattro
    60,698 mi · Countryside, IL · Countryside Mitsubishi
    View listing →
  4. 2021 Audi S8
    $58,995
    2021 Audi S8 Quattro
    39,470 mi · Novi, MI · LaFontaine INFINITI Novi
    View listing →

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 $46,482–$52,930. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2021 Audi S8 cost?

A used 2021 Audi S8 in the US typically lists for $46,482 to $52,930, with a median asking price of $49,951 across 4 active US dealer listings. Nine in ten are priced between $40,452 and $57,782 (as of 2026-10-12, source: UnderMarket Cars).

Is $50,000 a good price for a used 2021 Audi S8?

That sits at about the market median ($49,951) for a used 2021 Audi S8. Under $46,482 puts you in the cheapest quarter of active US listings and under $40,452 in the cheapest 5%; above $57,782 is the priciest 5% (as of 2026-10-12).

What is the cheapest used 2021 Audi S8 for sale right now?

$38,944 — a 2021 Audi S8 Quattro in Austin, TX, $11,007 under the median (as of 2026-10-12).

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?

The listing data behind UnderMarket Cars is rebuilt from live US dealer inventory every few hours, and this used 2021 Audi S8 page is regenerated from it when it is requested. The figures on this page are from 2026-10-12.

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Prices updated 2026-10-12. Data covers active dealer listings across the USA.