Used 2020 Audi S4 Price in the US
A used 2020 Audi S4 in the US typically lists for $26,969–$34,935, with a median asking price of $29,996 across 18 active US dealer listings (as of 2026-08-30). The cheapest one listed right now is $24,980, a 2020 Quattro Premium Plus in Ramsey, MN — 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
- 2024 · from $41,962
- 2023 · from $33,900
- 2022 · from $31,385
- 2021 · from $25,800
- 2020 · from $24,980
- 2019 · from $12,999
- 2018 · from $14,999
- 2016 · from $14,998
- 2015 · from $3,995
- 2014 · from $8,861
- 2013 · from $7,450
- 2012 · from $7,995
- 2011 · from $8,499
- 2010 · from $8,500
- 2009 · from $10,990
- 2008 · from $7,990
- 2007 · from $3,500
- 2006 · from $4,495
- 2005 · from $3,999
- 2004 · from $4,900
- 2001 · from $12,477
- 2000 · from $12,000
Cheapest 10 listed right now
ranked by price-
-
$24,9952020 Audi S4 Quattro Premium Plus87,745 mi · Lemon Grove, CA · Guardians AutoView listing →
-
$25,9932020 Audi S4 Quattro Premium Plus98,381 mi · Portland, OR · Summit Motor CompanyView listing → -
$26,0022020 Audi S4 Quattro Premium Plus108,794 mi · Winter Haven, FL · Central Buick GMCView listing →
-
-
$27,4892020 Audi S4 Quattro Premium Plus75,134 mi · Lilburn, GA · Atlanta Used CarsView listing →
-
$29,4962020 Audi S4 Quattro Premium Plus65,554 mi · Chandler, AZ · I-10 Premier Auto SalesView listing → -
$29,9772020 Audi S4 Quattro Premium Plus31,479 mi · Triangle, VA · Lease Return CenterView listing → -
$29,9952020 Audi S4 Quattro Premium Plus83,713 mi · Coventry, CT · Coventry MotorcarView 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 S4 asks $26,969–$34,935. Cars this far under usually carry an older model year, a base trim or high mileage.
Deals on the map
10 pinnedFAQ
How much does a used 2020 Audi S4 cost?
A used 2020 Audi S4 in the US typically lists for $26,969 to $34,935, with a median asking price of $29,996 across 18 active US dealer listings. Nine in ten are priced between $24,993 and $39,636 (as of 2026-08-30, source: UnderMarket Cars).
Is $30,000 a good price for a used 2020 Audi S4?
That sits at about the market median ($29,996) for a used 2020 Audi S4. Under $26,969 puts you in the cheapest quarter of active US listings and under $24,993 in the cheapest 5%; above $39,636 is the priciest 5% (as of 2026-08-30).
What is the cheapest used 2020 Audi S4 for sale right now?
$24,980 — a 2020 Audi S4 Quattro Premium Plus in Ramsey, MN, $5,016 under the median (as of 2026-08-30).
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 S4 price page at least twice a day. The data date shown on this page is 2026-08-30.
Explore more
Prices updated 2026-08-30. Data covers active dealer listings across the USA.