Live US dealer listings Median-priced benchmark Updated 2026-09-01
Market price · Used 2018 Audi A3 170 listings tracked

Used 2018 Audi A3 Price in the US

A used 2018 Audi A3 in the US typically lists for $12,493–$17,998, with a median asking price of $15,728 across 170 active US dealer listings (as of 2026-09-01). The cheapest one listed right now is $6,650, a 2018 E-tron Premium Plus in Hollywood, FL — below 95% of the market, so expect an older model year, a base trim or high mileage.

Used 2018 Audi A3 · asking prices170 listings
$8,000$24k
Typical range
$12,493 – $17,998
Median
$15,728
Cheapest 5%
under $9,979
Cheapest listed now
$6,650

Browse by model year

cheapest per year

Cheapest 10 listed right now

ranked by price
  1. 2018 Audi A3
    $6,650
    2018 Audi A3 E-tron Premium Plus
    133,278 mi · Hollywood, FL · Elite Auto Auctions
    View listing →
  2. 2018 Audi A3
    $6,890
    2018 Audi A3 Premium Komfort Canada
    115,496 mi · Miami, FL · Lions Pre Owned Cars Miami
    View listing →
  3. 2018 Audi A3
    $7,498
    2018 Audi A3 Quattro Premium Plus
    113,286 mi · Hailey, ID · Karl Malone Ford Hailey
    View listing →
  4. 2018 Audi A3
    $7,900
    2018 Audi A3 Premium Komfort Canada
    129,829 mi · Reseda, CA · Auto Union
    View listing →
  5. 2018 Audi A3
    $8,524
    2018 Audi A3 Premium Komfort Canada
    112,455 mi · Orlando, FL · Orlando Car Depot LLC
    View listing →
  6. 2018 Audi A3
    $9,260
    2018 Audi A3 Quattro Premium Komfort
    111,505 mi · Kenvil, NJ · Gaven Auto Group
    View listing →
  7. 2018 Audi A3
    $9,399
    2018 Audi A3 Premium Komfort Canada
    122,801 mi · West Palm Beach, FL · Florida Fine Cars WPB
    View listing →
  8. 2018 Audi A3
    $9,495
    2018 Audi A3 Quattro Premium Plus
    122,529 mi · Paterson, NJ · Pio Cars LLC
    View listing →
  9. 2018 Audi A3
    $9,965
    2018 Audi A3 Premium Komfort Canada
    112,126 mi · Roseville, CA · Safa Motors
    View listing →
  10. $9,995
    2018 Audi A3 E-tron Premium Plus
    129,999 mi · Milwaukie, OR · Travel Motors
    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 A3 asks $12,493–$17,998. Cars this far under usually carry an older model year, a base trim or high mileage.

FAQ

How much does a used 2018 Audi A3 cost?

A used 2018 Audi A3 in the US typically lists for $12,493 to $17,998, with a median asking price of $15,728 across 170 active US dealer listings. Nine in ten are priced between $9,979 and $23,051 (as of 2026-09-01, source: UnderMarket Cars).

Is $16,000 a good price for a used 2018 Audi A3?

That sits at about the market median ($15,728) for a used 2018 Audi A3. Under $12,493 puts you in the cheapest quarter of active US listings and under $9,979 in the cheapest 5%; above $23,051 is the priciest 5% (as of 2026-09-01).

What is the cheapest used 2018 Audi A3 for sale right now?

$6,650 — a 2018 Audi A3 E-tron Premium Plus in Hollywood, FL, $9,078 under the median (as of 2026-09-01).

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 A3 price page at least twice a day. The data date shown on this page is 2026-09-01.

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Prices updated 2026-09-01. Data covers active dealer listings across the USA.