Used 2018 Audi RS 5 Price in the US
A used 2018 Audi RS 5 in the US typically lists for $37,493–$43,590, with a median asking price of $40,999 across 27 active US dealer listings (as of 2026-08-28). The cheapest one listed right now is $29,995, a 2018 Quattro in Portland, OR — below 95% of the market, so expect an older model year, a base trim or high mileage.
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cheapest per yearCheapest 10 listed right now
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$29,9952018 Audi RS 5 Quattro80,120 mi · Portland, OR · Northwest Remarketing Group, LLCView listing → -
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$35,0002018 Audi RS 5 29 Tfsi Quattro88,969 mi · Winchester, VA · Safford Chrysler Jeep Dodge Ram Fiat of WinchesterView listing → -
$35,0002018 Audi RS 5 Quattro88,969 mi · Winchester, VA · Safford Chrysler Jeep Dodge Ram Fiat of WinchesterView 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 2018 Audi RS 5 asks $37,493–$43,590. 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 2018 Audi RS 5 cost?
A used 2018 Audi RS 5 in the US typically lists for $37,493 to $43,590, with a median asking price of $40,999 across 27 active US dealer listings. Nine in ten are priced between $33,597 and $47,753 (as of 2026-08-28, source: UnderMarket Cars).
Is $41,000 a good price for a used 2018 Audi RS 5?
That sits at about the market median ($40,999) for a used 2018 Audi RS 5. Under $37,493 puts you in the cheapest quarter of active US listings and under $33,597 in the cheapest 5%; above $47,753 is the priciest 5% (as of 2026-08-28).
What is the cheapest used 2018 Audi RS 5 for sale right now?
$29,995 — a 2018 Audi RS 5 Quattro in Portland, OR, $11,004 under the median (as of 2026-08-28).
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 RS 5 price page at least twice a day. The data date shown on this page is 2026-08-28.
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Prices updated 2026-08-28. Data covers active dealer listings across the USA.