Used 2018 Audi S7 Price in the US
A used 2018 Audi S7 in the US typically lists for $30,748–$35,992, with a median asking price of $34,995 across 7 active US dealer listings (as of 2026-08-31). The cheapest one listed right now is $23,554, a 2018 Quattro Prestige in Longmont, CO — below 95% of the market, so expect an older model year, a base trim or high mileage.
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cheapest per yearCheapest 7 listed right now
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$28,5002018 Audi S7 Quattro Premium Plus85,690 mi · Oxford, CT · Buonauto EnterprisesView listing → -
$32,9952018 Audi S7 Quattro Premium Plus113,425 mi · Roanoke Rapids, NC · Roland Holmes Auto SalesView listing → -
$34,9952018 Audi S7 Quattro Prestige75,815 mi · Gastonia, NC · Real Steal Auto Sales Inc.View listing → -
$34,9952018 Audi S7 Quattro Prestige59,910 mi · Delaware, OH · Chesrown Chevrolet GMCView listing → -
$36,9892018 Audi S7 Quattro Premium Plus77,320 mi · Ansonia, CT · Road Ready Used CarsView listing →
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$37,1642018 Audi S7 Quattro Premium Plus60,657 mi · Willowbrook, IL · Highline Auto SalesView 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 $30,748–$35,992. Cars this far under usually carry an older model year, a base trim or high mileage.
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7 pinnedFAQ
How much does a used 2018 Audi S7 cost?
A used 2018 Audi S7 in the US typically lists for $30,748 to $35,992, with a median asking price of $34,995 across 7 active US dealer listings. Nine in ten are priced between $25,038 and $37,112 (as of 2026-08-31, source: UnderMarket Cars).
Is $35,000 a good price for a used 2018 Audi S7?
That sits at about the market median ($34,995) for a used 2018 Audi S7. Under $30,748 puts you in the cheapest quarter of active US listings and under $25,038 in the cheapest 5%; above $37,112 is the priciest 5% (as of 2026-08-31).
What is the cheapest used 2018 Audi S7 for sale right now?
$23,554 — a 2018 Audi S7 Quattro Prestige in Longmont, CO, $11,441 under the median (as of 2026-08-31).
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 2018 Audi S7 price page at least twice a day. The data date shown on this page is 2026-08-31.
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Prices updated 2026-08-31. Data covers active dealer listings across the USA.