Used 2006 Audi S4 Price in the US
A used 2006 Audi S4 in the US typically lists for $6,877–$13,005, with a median asking price of $8,897 across 8 active US dealer listings (as of 2026-09-01). The cheapest one listed right now is $4,495, a 2006 Quattro in Rancho Cordova, CA — 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 8 listed right now
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$12,9902006 Audi S4 Quattro139,999 mi · Omaha, NE · Vehicle Selling Solutions Fsbo VehiclesView listing →
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These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2006 Audi S4 asks $6,877–$13,005. Cars this far under usually carry an older model year, a base trim or high mileage.
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8 pinnedFAQ
How much does a used 2006 Audi S4 cost?
A used 2006 Audi S4 in the US typically lists for $6,877 to $13,005, with a median asking price of $8,897 across 8 active US dealer listings. Nine in ten are priced between $4,670 and $14,252 (as of 2026-09-01, source: UnderMarket Cars).
Is $9,000 a good price for a used 2006 Audi S4?
That sits at about the market median ($8,897) for a used 2006 Audi S4. Under $6,877 puts you in the cheapest quarter of active US listings and under $4,670 in the cheapest 5%; above $14,252 is the priciest 5% (as of 2026-09-01).
What is the cheapest used 2006 Audi S4 for sale right now?
$4,495 — a 2006 Audi S4 Quattro in Rancho Cordova, CA, $4,402 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 2006 Audi S4 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.