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2018 Audi S4 for sale

AutoDealersHub has 4 listings for used 2018 Audi S4s from local dealers, all 2018 models. Asking prices run from $15,999 to $24,995 with a median of $21,990, across 3 listings that show a price. 1 more listing asks you to contact the dealer for a price.

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Updated Nov 7, 2026, 8:20 AM ET

AutoDealersHub features a small selection of used Audi S4 listings from a few local dealers. These vehicles are mostly sedans and are listed in gasoline versions with AWD.

AI summary generated from current AutoDealersHub listings. Counts and prices change as dealers update inventory.

In stock
4
from local dealers
Price range
$15,999–$24,995
median $21,990
Model years
2018
Top trims
Premium Plus, Premium Plus quattro

4 cars

Prices are the dealers' advertised prices. Taxes, title, registration and any dealer fees may be extra.

Highlights

  • Popular trims include Premium Plus and Premium Plus quattro
  • Listings include gasoline versions
  • AWD is the main drivetrain

AI summary generated from current AutoDealersHub listings. Counts and prices change as dealers update inventory.

Prices

Asking prices of the used 2018 Audi S4s listed on AutoDealersHub, as of Nov 7, 2026.

Median asking price
$21,990
Lowest asking price
$15,999
Listings with a price
3
As of
Nov 7, 2026

Dealers' advertised asking prices; flagged placeholder and implausible prices are left out. How these figures are made

Other Audi S4 model years

Frequently asked questions

How many used 2018 Audi S4s are for sale on AutoDealersHub?

There are 4 listings for used 2018 Audi S4s right now, from local dealers. Listings refresh from each dealer's inventory feed about every hour.

How much do used 2018 Audi S4s cost?

Asking prices run from $15,999 to $24,995 with a median of $21,990, across 3 listings that show a price. 1 more listing asks you to contact the dealer for a price. These are the asking prices of the used 2018 Audi S4s listed on AutoDealersHub right now.

Which Audi S4 trims are listed?

The most-listed trims right now are Premium Plus (3) and Premium Plus quattro (1).

Where do these listings come from?

Every listing comes from a DealersCloud dealer's own website inventory and is refreshed about every hour. AutoDealersHub does not sell cars: choosing View at dealer takes you to the dealer's listing, where you confirm availability and buy directly from the dealer.

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