Live US dealer listings Median-priced benchmark Updated 2026-10-19
Market price · Used 2020 Audi S8 11 listings tracked

Used 2020 Audi S8 Price in the US

A used 2020 Audi S8 in the US typically lists for $40,336–$44,845, with a median asking price of $41,999 across 11 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $36,840, a 2020 Quattro in Webster, TX — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Browse by model year

typical price per year
More years (8)

Cheapest 10 listed right now

ranked by price
  1. 2020 Audi S8
    $36,840
    2020 Audi S8 Quattro
    70,255 mi · Webster, TX · MINI of Clear Lake
    View listing →
  2. 2020 Audi S8
    $37,743
    2020 Audi S8 Quattro
    87,375 mi · Milford, CT · Key Hyundai of Milford
    View listing →
  3. 2020 Audi S8
    $39,995
    2020 Audi S8 Quattro
    71,099 mi · Wayne, NJ · Haus of Lux
    View listing →
  4. 2020 Audi S8
    $40,677
    2020 Audi S8 Quattro
    65,745 mi · Temple Hills, MD · Ourisman Mitsubishi
    View listing →
  5. 2020 Audi S8
    $40,685
    2020 Audi S8 Quattro
    66,288 mi · Knoxville, TN · Harper Audi
    View listing →
  6. 2020 Audi S8
    $41,999
    2020 Audi S8 Quattro
    66,441 mi · Little Ferry, NJ · Milan Motors
    View listing →
  7. 2020 Audi S8
    $42,390
    2020 Audi S8 Quattro
    57,286 mi · Willow Grove, PA · Selden Motors
    View listing →
  8. $44,290
    2020 Audi S8 Quattro
    64,249 mi · Alexandria, VA · Passport INFINITI of Alexandria
    View listing →
  9. 2020 Audi S8
    $45,400
    2020 Audi S8 Quattro
    51,410 mi · East Brunswick, NJ · Space Auto Group
    View listing →
  10. $49,090
    2020 Audi S8 Quattro
    76,000 mi · Kidron, OH · Private Seller Exchange
    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 2020 Audi S8 asks $40,336–$44,845. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2020 Audi S8 cost?

A used 2020 Audi S8 in the US typically lists for $40,336 to $44,845, with a median asking price of $41,999 across 11 active US dealer listings. Nine in ten are priced between $37,292 and $53,989 (as of 2026-10-19, source: UnderMarket Cars).

Is $42,000 a good price for a used 2020 Audi S8?

That sits at about the market median ($41,999) for a used 2020 Audi S8. Under $40,336 puts you in the cheapest quarter of active US listings and under $37,292 in the cheapest 5%; above $53,989 is the priciest 5% (as of 2026-10-19).

What is the cheapest used 2020 Audi S8 for sale right now?

$36,840 — a 2020 Audi S8 Quattro in Webster, TX, $5,159 under the median (as of 2026-10-19).

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 2020 Audi S8 page is regenerated from it when it is requested. The figures on this page are from 2026-10-19.

Explore more

Search with map & filters

Prices updated 2026-10-19. Data covers active dealer listings across the USA.