Live US dealer listings Median-priced benchmark Updated 2026-10-19
Market price · Used 2018 Audi RS 3 35 listings tracked

Used 2018 Audi RS 3 Price in the US

A used 2018 Audi RS 3 in the US typically lists for $38,609–$44,941, with a median asking price of $41,500 across 35 active US dealer listings (as of 2026-10-19). The cheapest one listed right now is $26,000, a 2018 Quattro in Sioux Falls, SD — 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. 2018 Audi RS 3
    $26,000
    2018 Audi RS 3 Quattro
    101,500 mi · Sioux Falls, SD · Exclusive Motors
    View listing →
  2. 2018 Audi RS 3
    $29,987
    2018 Audi RS 3 Quattro
    98,042 mi · Leesburg, VA · Leesburg Auto Import
    View listing →
  3. 2018 Audi RS 3
    $29,995
    2018 Audi RS 3 Quattro
    109,908 mi · Canal Fulton, OH · R21 Motorsports
    View listing →
  4. 2018 Audi RS 3
    $33,999
    2018 Audi RS 3 Quattro
    113,967 mi · Portland, OR · MS Motors
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  5. 2018 Audi RS 3
    $34,360
    2018 Audi RS 3 Quattro
    92,048 mi · Bozeman, MT · Audi Bozeman
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  6. 2018 Audi RS 3
    $36,246
    2018 Audi RS 3 Quattro
    90,084 mi · Heath, OH · Huber Automotive
    View listing →
  7. 2018 Audi RS 3
    $36,995
    2018 Audi RS 3 Quattro
    91,340 mi · Joliet, IL · motorcarsofchicago
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  8. 2018 Audi RS 3
    $37,249
    2018 Audi RS 3 Quattro
    73,927 mi · Wayzata, MN · Walser Nissan Wayzata
    View listing →
  9. 2018 Audi RS 3
    $38,229
    2018 Audi RS 3 Quattro
    75,921 mi · Frankfort, IL · Frankfort Auto Haus
    View listing →
  10. 2018 Audi RS 3
    $38,989
    2018 Audi RS 3 Quattro
    81,837 mi · Johnson Creek, WI · Kearns Motor Car Co
    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 3 asks $38,609–$44,941. 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 3 cost?

A used 2018 Audi RS 3 in the US typically lists for $38,609 to $44,941, with a median asking price of $41,500 across 35 active US dealer listings. Nine in ten are priced between $29,993 and $47,621 (as of 2026-10-19, source: UnderMarket Cars).

Is $42,000 a good price for a used 2018 Audi RS 3?

That sits at about the market median ($41,500) for a used 2018 Audi RS 3. Under $38,609 puts you in the cheapest quarter of active US listings and under $29,993 in the cheapest 5%; above $47,621 is the priciest 5% (as of 2026-10-19).

What is the cheapest used 2018 Audi RS 3 for sale right now?

$26,000 — a 2018 Audi RS 3 Quattro in Sioux Falls, SD, $15,500 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 RS 3 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.