Used 2021 Audi RS 6 Avant Price in the US
A used 2021 Audi RS 6 Avant in the US typically lists for $88,615–$99,500, with a median asking price of $92,881 across 44 active US dealer listings (as of 2026-08-30). The cheapest one listed right now is $69,985, a 2021 Quattro in Naugatuck, CT — below 95% of the market, so expect an older model year, a base trim or high mileage.
- Typical range
- $88,615 – $99,500
- Median
- $92,881
- Cheapest 5%
- under $77,064
- Cheapest listed now
- $69,985
Browse by model year
cheapest per yearCheapest 10 listed right now
ranked by price-
$69,9852021 Audi RS 6 Avant Quattro68,566 mi · Naugatuck, CT · A Better Way WholesaleView listing → -
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$77,9952021 Audi RS 6 Avant Quattro43,403 mi · Garland, TX · International Auto SalesView listing →
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$83,0932021 Audi RS 6 Avant Quattro61,370 mi · Kennesaw, GA · Grand Motorcars KennesawView listing → -
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$85,5002021 Audi RS 6 Avant Quattro44,258 mi · Summerville, SC · McElveen Buick GMCView listing → -
$86,7912021 Audi RS 6 Avant Quattro42,050 mi · Chattanooga, TN · Acura of ChattanoogaView listing →
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2021 Audi RS 6 Avant asks $88,615–$99,500. 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 2021 Audi RS 6 Avant cost?
A used 2021 Audi RS 6 Avant in the US typically lists for $88,615 to $99,500, with a median asking price of $92,881 across 44 active US dealer listings. Nine in ten are priced between $77,064 and $109,866 (as of 2026-08-30, source: UnderMarket Cars).
Is $93,000 a good price for a used 2021 Audi RS 6 Avant?
That sits at about the market median ($92,881) for a used 2021 Audi RS 6 Avant. Under $88,615 puts you in the cheapest quarter of active US listings and under $77,064 in the cheapest 5%; above $109,866 is the priciest 5% (as of 2026-08-30).
What is the cheapest used 2021 Audi RS 6 Avant for sale right now?
$69,985 — a 2021 Audi RS 6 Avant Quattro in Naugatuck, CT, $22,896 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 2021 Audi RS 6 Avant price page at least twice a day. The data date shown on this page is 2026-08-30.
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Prices updated 2026-08-30. Data covers active dealer listings across the USA.