2018 Audi S6: trims, real prices & how to pick yours

4 builds left the factory as a 2018 S6, each a different combination of engine, transmission and body identified by the first eight characters of its VIN. The 3 main configurations sell for $19,995–$36,852 today.

  • 3 main configurations
  • 737 vehicles built
  • 16 for sale right now
  • $19,995–$36,852 typical price range

Which S6 is yours?

Enter a VIN — the 17 characters on the windshield or the title — and we’ll match it to its exact factory configuration, typical price and equipment.

Works with any VIN — a different year or model takes you straight to its own page.

Pick your S6

What actually differs

Quattro Premium Plus, Quattro (Canada) · AWD Quattro Prestige · AWD WAUHFAFC-J Quattro Prestige · AWD WAUHFBFC-J
For sale right now 13 3 —
Vehicles built 375 310 34
Same on every 2018 S6
  • Engine 4L 8-cyl
  • Power 450 hp
  • Drivetrain All-wheel drive
  • Transmission Automatic
  • Fuel Gasoline
  • Body Sedan
  • Doors 4-door
  • Typical price today $29,590

What people actually pay

24 price observations · updated Aug 30, 2026
Quattro Premium Plus, Quattro (Canada) · AWD
$29,590
$19,395 $24,036 $28,677 $33,317 $37,958
Price trend

Median up $2,034 over the last 12 months.

2018 S6 price history →
Will it hold value?

A S6 typically keeps about 54% of its price over 5 years — a 5-year-old one runs about $15,985 today.

S6 depreciation by year →
Cost to run

16/24 mpg city/highway. Roughly $2,580/yr on fuel at 15,000 miles.

EPA estimate for the 2018 S6

Safety, in plain English

NHTSA overall crash rating

★★★★★ 5 / 5

1 recall on file for this model year — check any specific VIN before you buy.

What WAUHFBFC-J means

WAU HFBFC · J
WAU
the World Manufacturer Identifier Audi registered — assembled in Germany
HFBFC
together encode the S6 line — Sedan, 4L 8cyl, All-wheel drive — as Audi filed it, these five characters are read as one block, not letter by letter
J
in position 10 — model year 2018
9, 11–17
differ on every car: check digit, plant code and the serial number
1 rare configuration — mostly fleet, export or irregular VIN patterns. Fewer than 20 known vehicles each.

Already looking at a specific S6?

Paste its VIN — we’ll open that exact car’s page: its configuration, market position and every listing we’ve tracked.

2018 Audi S6 prices →