Live US dealer listings Median-priced benchmark Updated 2026-10-17
Market price · Used 2018 Audi RS 5 47 listings tracked

Used 2018 Audi RS 5 Price in the US

A used 2018 Audi RS 5 in the US typically lists for $36,553–$40,999, with a median asking price of $38,900 across 47 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $29,159, a 2018 Quattro in Garland, TX — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2018 Audi RS 5 · asking prices47 listings
$32k$48k
Typical range
$36,553 – $40,999
Median
$38,900
Cheapest 5%
under $32,995
Cheapest listed now
$29,159

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More years (2)

Cheapest 10 listed right now

ranked by price
  1. 2018 Audi RS 5
    $29,159
    2018 Audi RS 5 Quattro
    61,754 mi · Garland, TX · Strategic Auto Group
    View listing →
  2. 2018 Audi RS 5
    $32,649
    2018 Audi RS 5 Quattro
    108,760 mi · Lancaster, PA · GoAuto
    View listing →
  3. 2018 Audi RS 5
    $32,995
    2018 Audi RS 5 Quattro
    83,128 mi · Princeton, MN · Paradise Motors
    View listing →
  4. 2018 Audi RS 5
    $32,995
    2018 Audi RS 5 Quattro
    77,531 mi · Westlake Village, CA · Allen Motors
    View listing →
  5. 2018 Audi RS 5
    $33,995
    2018 Audi RS 5 Quattro
    60,873 mi · Holland, MI · European Autohaus
    View listing →
  6. $34,255
    2018 Audi RS 5 Quattro
    81,283 mi · Fishers, IN · Auto Giant USA - Fishers
    View listing →
  7. $34,412
    2018 Audi RS 5 Quattro
    96,080 mi · Woodstock, IL · Bull Valley Ford
    View listing →
  8. 2018 Audi RS 5
    $34,691
    2018 Audi RS 5 Quattro
    94,599 mi · South Jordan, UT · Tim Dahle Nissan Southtowne
    View listing →
  9. 2018 Audi RS 5
    $34,698
    2018 Audi RS 5 Quattro
    91,551 mi · Lawrenceville, GA · Auto Vault Atlanta
    View listing →
  10. 2018 Audi RS 5
    $34,968
    2018 Audi RS 5 Quattro
    72,040 mi · Norco, CA · Premium Autos
    View 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 RS 5 asks $36,553–$40,999. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2018 Audi RS 5 cost?

A used 2018 Audi RS 5 in the US typically lists for $36,553 to $40,999, with a median asking price of $38,900 across 47 active US dealer listings. Nine in ten are priced between $32,995 and $47,853 (as of 2026-10-17, source: UnderMarket Cars).

Is $39,000 a good price for a used 2018 Audi RS 5?

That sits at about the market median ($38,900) for a used 2018 Audi RS 5. Under $36,553 puts you in the cheapest quarter of active US listings and under $32,995 in the cheapest 5%; above $47,853 is the priciest 5% (as of 2026-10-17).

What is the cheapest used 2018 Audi RS 5 for sale right now?

$29,159 — a 2018 Audi RS 5 Quattro in Garland, TX, $9,741 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 2018 Audi RS 5 page is regenerated from it when it is requested. The figures on this page are from 2026-10-17.

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Prices updated 2026-10-17. Data covers active dealer listings across the USA.