Used 2021 Audi RS Q8 Price in the US
A used 2021 Audi RS Q8 in the US typically lists for $67,460–$75,804, with a median asking price of $71,688 across 54 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $54,995, a 2021 Quattro in Clayton, NJ — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
- Typical range
- $67,460 – $75,804
- Median
- $71,688
- Cheapest 5%
- under $61,753
- Cheapest listed now
- $54,995
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
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$61,4962021 Audi RS Q8 Quattro68,450 mi · Pinellas Park, FL · Maserati of St. PetersburgView listing →
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$63,3682021 Audi RS Q8 Quattro59,446 mi · Orland Park, IL · Joe Rizza Ford Lincoln Orland ParkView listing → -
$63,9742021 Audi RS Q8 Quattro56,211 mi · Columbia, SC · Classic Lincoln of ColumbiaView listing → -
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$66,0062021 Audi RS Q8 Quattro65,082 mi · Huntington, IN · Lakeside Huntington ChevroletView 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 Q8 asks $67,460–$75,804. 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 2021 Audi RS Q8 cost?
A used 2021 Audi RS Q8 in the US typically lists for $67,460 to $75,804, with a median asking price of $71,688 across 54 active US dealer listings. Nine in ten are priced between $61,753 and $80,316 (as of 2026-10-17, source: UnderMarket Cars).
Is $72,000 a good price for a used 2021 Audi RS Q8?
That sits at about the market median ($71,688) for a used 2021 Audi RS Q8. Under $67,460 puts you in the cheapest quarter of active US listings and under $61,753 in the cheapest 5%; above $80,316 is the priciest 5% (as of 2026-10-17).
What is the cheapest used 2021 Audi RS Q8 for sale right now?
$54,995 — a 2021 Audi RS Q8 Quattro in Clayton, NJ, $16,693 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 2021 Audi RS Q8 page is regenerated from it when it is requested. The figures on this page are from 2026-10-17.
Explore more
Prices updated 2026-10-17. Data covers active dealer listings across the USA.