Live US dealer listings Median-priced benchmark Updated 2026-10-15
Market price · Used 2021 Audi RS 5 35 listings tracked

Used 2021 Audi RS 5 Price in the US

A used 2021 Audi RS 5 in the US typically lists for $47,166–$55,249, with a median asking price of $51,900 across 35 active US dealer listings (as of 2026-10-15). The cheapest one listed right now is $40,013, a 2021 Quattro in Knoxville, TN — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

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Cheapest 10 listed right now

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  1. $40,013
    2021 Audi RS 5 Quattro
    94,404 mi · Knoxville, TN · Audi Knoxville
    View listing →
  2. $41,850
    2021 Audi RS 5 Quattro
    84,451 mi · Fishers, IN · Fishers Imports
    View listing →
  3. 2021 Audi RS 5
    $41,900
    2021 Audi RS 5 Quattro
    103,568 mi · Grand Rapids, MI · MJ Motorsports
    View listing →
  4. 2021 Audi RS 5
    $42,175
    2021 Audi RS 5 Quattro
    66,913 mi · Costa Mesa, CA · Pacific Auto Center - Costa Mesa
    View listing →
  5. 2021 Audi RS 5
    $43,995
    2021 Audi RS 5 Quattro
    78,597 mi · Marlow Heights, MD · Passport BMW
    View listing →
  6. 2021 Audi RS 5
    $45,016
    2021 Audi RS 5 Quattro
    66,396 mi · Kalamazoo, MI · Fox Maple Hill Subaru
    View listing →
  7. 2021 Audi RS 5
    $45,777
    2021 Audi RS 5 Quattro
    78,959 mi · Grandview, WA · G TOWN MOTORS
    View listing →
  8. $45,988
    2021 Audi RS 5 Quattro
    100,638 mi · Tallahassee, FL · dale earnhardt jr. chevrolet
    View listing →
  9. 2021 Audi RS 5
    $47,120
    2021 Audi RS 5 Quattro
    70,425 mi · Mansfield, TX · Texas Truck Barn LLC
    View listing →
  10. 2021 Audi RS 5
    $47,212
    2021 Audi RS 5 Quattro
    68,003 mi · West Chicago, IL · Chicago Motor Cars
    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 2021 Audi RS 5 asks $47,166–$55,249. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2021 Audi RS 5 cost?

A used 2021 Audi RS 5 in the US typically lists for $47,166 to $55,249, with a median asking price of $51,900 across 35 active US dealer listings. Nine in ten are priced between $41,885 and $63,155 (as of 2026-10-15, source: UnderMarket Cars).

Is $52,000 a good price for a used 2021 Audi RS 5?

That sits at about the market median ($51,900) for a used 2021 Audi RS 5. Under $47,166 puts you in the cheapest quarter of active US listings and under $41,885 in the cheapest 5%; above $63,155 is the priciest 5% (as of 2026-10-15).

What is the cheapest used 2021 Audi RS 5 for sale right now?

$40,013 — a 2021 Audi RS 5 Quattro in Knoxville, TN, $11,887 under the median (as of 2026-10-15).

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 5 page is regenerated from it when it is requested. The figures on this page are from 2026-10-15.

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Prices updated 2026-10-15. Data covers active dealer listings across the USA.