Live US dealer listings Median-priced benchmark Updated 2026-10-17
Market price · Used 2020 Audi A6 110 listings tracked

Used 2020 Audi A6 Price in the US

A used 2020 Audi A6 in the US typically lists for $19,846–$25,236, with a median asking price of $22,834 across 110 active US dealer listings (as of 2026-10-17). The cheapest one listed right now is $14,995, a 2020 Quattro Premium in Scottsdale, AZ — below 95% of the market, so expect high mileage, a base trim or a branded title — check the vehicle history.

Used 2020 Audi A6 · asking prices110 listings
$16k$30k
Typical range
$19,846 – $25,236
Median
$22,834
Cheapest 5%
under $16,540
Cheapest listed now
$14,995

Browse by model year

typical price per year
More years (19)

Cheapest 10 listed right now

ranked by price
  1. 2020 Audi A6
    $14,995
    2020 Audi A6 Quattro Premium
    161,007 mi · Scottsdale, AZ · Ultimate Powersports
    View listing →
  2. $14,999
    2020 Audi A6 Quattro Premium
    155,887 mi · Baton Rouge, LA · Audi Baton Rouge
    View listing →
  3. 2020 Audi A6
    $15,790
    2020 Audi A6 Quattro Premium
    95,940 mi · Mountain Lakes, NJ · Auto Spot of Mountain Lakes
    View listing →
  4. 2020 Audi A6
    $15,950
    2020 Audi A6 Quattro Premium
    90,597 mi · Hueytown, AL · Birmingham Auto Auction
    View listing →
  5. $15,995
    2020 Audi A6 Quattro Premium
    122,919 mi · Houston, TX · Best Ride Auto Sale
    View listing →
  6. 2020 Audi A6
    $16,490
    2020 Audi A6 Quattro Premium
    99,451 mi · Orlando, FL · STG Auto Brokers
    View listing →
  7. 2020 Audi A6
    $16,600
    2020 Audi A6 Quattro Premium
    92,937 mi · Fredericksburg, VA · Pride Auto Sales
    View listing →
  8. $16,695
    2020 Audi A6 Quattro Premium
    96,153 mi · Sacramento, CA · Armani Motors
    View listing →
  9. $16,995
    2020 Audi A6 Quattro Premium
    183,645 mi · Houston, TX · Houston Auto Credit
    View listing →
  10. $17,500
    2020 Audi A6 Quattro Premium
    98,307 mi · Hasbrouck Heights, NJ · Velocity Autohaus
    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 2020 Audi A6 asks $19,846–$25,236. Cars this far under: expect high mileage, a base trim or a branded title — check the vehicle history.

FAQ

How much does a used 2020 Audi A6 cost?

A used 2020 Audi A6 in the US typically lists for $19,846 to $25,236, with a median asking price of $22,834 across 110 active US dealer listings. Nine in ten are priced between $16,540 and $29,286 (as of 2026-10-17, source: UnderMarket Cars).

Is $23,000 a good price for a used 2020 Audi A6?

That sits at about the market median ($22,834) for a used 2020 Audi A6. Under $19,846 puts you in the cheapest quarter of active US listings and under $16,540 in the cheapest 5%; above $29,286 is the priciest 5% (as of 2026-10-17).

What is the cheapest used 2020 Audi A6 for sale right now?

$14,995 — a 2020 Audi A6 Quattro Premium in Scottsdale, AZ, $7,839 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 2020 Audi A6 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.