Used 2020 Audi S5 Price in the US
A used 2020 Audi S5 in the US typically lists for $29,990–$36,950, with a median asking price of $32,450 across 28 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $20,065, a 2020 Quattro Prestige in Berwyn, IL — 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 yearCheapest 10 listed right now
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$25,8962020 Audi S5 Quattro Premium Plus85,976 mi · Fairfax, VA · Cars2us Of FairfaxView listing →
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$28,5842020 Audi S5 Quattro Prestige78,927 mi · Redlands, CA · Ken Grody Ford of RedlandsView listing → -
$28,8002020 Audi S5 Quattro Premium Plus71,914 mi · Grand Rapids, MI · MJ MotorsportsView listing → -
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$30,9992020 Audi S5 Quattro Prestige71,985 mi · Las vegas, NV · Globul Cars DecaturView 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 S5 asks $29,990–$36,950. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.
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10 pinnedFAQ
How much does a used 2020 Audi S5 cost?
A used 2020 Audi S5 in the US typically lists for $29,990 to $36,950, with a median asking price of $32,450 across 28 active US dealer listings. Nine in ten are priced between $26,805 and $43,041 (as of 2026-10-17, source: UnderMarket Cars).
Is $32,000 a good price for a used 2020 Audi S5?
That sits at about the market median ($32,450) for a used 2020 Audi S5. Under $29,990 puts you in the cheapest quarter of active US listings and under $26,805 in the cheapest 5%; above $43,041 is the priciest 5% (as of 2026-10-17).
What is the cheapest used 2020 Audi S5 for sale right now?
$20,065 — a 2020 Audi S5 Quattro Prestige in Berwyn, IL, $12,385 under the median (as of 2026-10-17).
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 S5 page is regenerated from it when it is requested. The figures on this page are from 2026-10-17.
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Prices updated 2026-10-17. Data covers active dealer listings across the USA.