Used 2020 Audi S3 Price in the US
A used 2020 Audi S3 in the US typically lists for $24,350–$29,499, with a median asking price of $26,609 across 10 active US dealer listings (as of 2026-09-01). The cheapest one listed right now is $19,500, a 2020 Quattro Premium Plus in Lawrenceville, GA — below 95% of the market, so expect an older model year, a base trim or high mileage.
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cheapest per yearCheapest 10 listed right now
ranked by price-
$19,5002020 Audi S3 Quattro Premium Plus94,800 mi · Lawrenceville, GA · Barrow Auto GroupView listing → -
$20,4952020 Audi S3 Quattro Premium Plus114,580 mi · Lilburn, GA · United Auto GalleryView listing → -
$23,9702020 Audi S3 Quattro Premium Plus70,314 mi · Little Ferry, NJ · Milan Motors, LLCView listing → -
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$25,9902020 Audi S3 Quattro Premium Plus97,276 mi · Pittsburgh, PA · Porsche PittsburghView listing → -
$27,2282020 Audi S3 Quattro Premium55,390 mi · Beaver Falls, PA · Diehl Ford Of BeaverView listing →
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$28,0002020 Audi S3 Quattro Premium Plus58,400 mi · Denver, NC · Top Shelf Auto Sales and RepairView listing →
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$35,4162020 Audi S3 Quattro Premium Plus21,851 mi · Fresno, CA · Executive Auto CenterView 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 S3 asks $24,350–$29,499. 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 S3 cost?
A used 2020 Audi S3 in the US typically lists for $24,350 to $29,499, with a median asking price of $26,609 across 10 active US dealer listings. Nine in ten are priced between $19,948 and $34,733 (as of 2026-09-01, source: UnderMarket Cars).
Is $27,000 a good price for a used 2020 Audi S3?
That sits at about the market median ($26,609) for a used 2020 Audi S3. Under $24,350 puts you in the cheapest quarter of active US listings and under $19,948 in the cheapest 5%; above $34,733 is the priciest 5% (as of 2026-09-01).
What is the cheapest used 2020 Audi S3 for sale right now?
$19,500 — a 2020 Audi S3 Quattro Premium Plus in Lawrenceville, GA, $7,109 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 S3 price page at least twice a day. The data date shown on this page is 2026-09-01.
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Prices updated 2026-09-01. Data covers active dealer listings across the USA.