Used 2018 Audi S7 Price in the US
A used 2018 Audi S7 in the US typically lists for $31,995–$35,991, with a median asking price of $34,990 across 13 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $18,420, a 2018 Quattro Prestige in Davidsville, PA — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.
Browse by model year
typical price per yearCheapest 10 listed right now
ranked by price-
$18,4202018 Audi S7 Quattro Prestige88,699 mi · Davidsville, PA · Varner Auto Sales IncView listing → -
$28,5002018 Audi S7 Quattro Premium Plus85,690 mi · Oxford, CT · Buonauto EnterprisesView listing → -
$31,3562018 Audi S7 Quattro Premium Plus72,006 mi · Park Hills, KY · Mercedes-Benz of Fort MitchellView listing →
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$33,9802018 Audi S7 Quattro Prestige66,456 mi · Champaign, IL · MYST Auto ChampaignView listing → -
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$34,9902018 Audi S7 Quattro Premium Plus77,320 mi · Ansonia, CT · Road Ready Used CarsView listing →
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$34,9952018 Audi S7 Quattro Premium Plus51,581 mi · Hopkins, MN · Mainstreet Motor CompanyView listing →
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$34,9952018 Audi S7 Quattro Prestige75,815 mi · Gastonia, NC · Real Steal Auto SalesView listing → -
$35,9912018 Audi S7 Quattro Prestige69,336 mi · Houston, TX · Cowboys Automotive, IncView listing →
These are the bottom of the market, not the going rate — every one is priced below 95% of active listings. A typical used 2018 Audi S7 asks $31,995–$35,991. 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 2018 Audi S7 cost?
A used 2018 Audi S7 in the US typically lists for $31,995 to $35,991, with a median asking price of $34,990 across 13 active US dealer listings. Nine in ten are priced between $24,468 and $39,173 (as of 2026-10-19, source: UnderMarket Cars).
Is $35,000 a good price for a used 2018 Audi S7?
That sits at about the market median ($34,990) for a used 2018 Audi S7. Under $31,995 puts you in the cheapest quarter of active US listings and under $24,468 in the cheapest 5%; above $39,173 is the priciest 5% (as of 2026-10-19).
What is the cheapest used 2018 Audi S7 for sale right now?
$18,420 — a 2018 Audi S7 Quattro Prestige in Davidsville, PA, $16,570 under the median (as of 2026-10-19).
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 2018 Audi S7 page is regenerated from it when it is requested. The figures on this page are from 2026-10-19.
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Prices updated 2026-10-19. Data covers active dealer listings across the USA.