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FinalBid / Copart + IAAI

2018 Audi S4 auction results: final bids and sale history

FinalBid holds 559 completed Copart and IAAI auctions for 2018 Audi S4. Across 514 recorded USD final bids, the median sold price is $8,300. Most of those cars were sold with front end. Half of the 325 verified odometer readings sit above 79,926 mi. The oldest auction in the archive closed in Jul 10, 2019, the newest in Oct 19, 2026. Auction results for the 2018 Audi S4 at Copart and IAAI. Each sold lot below shows the final bid together with the damage, odometer and title that explain it, so you can see where a particular 2018 Audi S4 belongs in the sold-price range rather than guessing at an average.

$7,100
Median final bid
$5,100–$9,075
Middle half
$11,130
Top 10% from
$15,300
Highest

Price index

Median final bid by month (line) and number of sales (bars), last 12 months.

$4,800 $6,070 $7,330 $8,600 Oct Nov Dec Jan Feb Mar Apr May Jun Jul Aug Sep Oct $5,900

Where they go

Buyer country of the winning bid, with the median price and model year each market buys. Shares of 141 sales with a known buyer country.

Buyer country Share Median final bid Median model year
United States
84%
$7,163 2018
Georgia
4%
$7,900 2018
Lithuania
2%
$4,250 2018
Guatemala
1%
$5,125 2018
Mexico
1%
$5,875 2018
Ukraine
1%
$7,625 2018
Bosnia & Herzegovina
0.7%
$8,000 2018
Bulgaria
0.7%
$10,100 2018
Canada
0.7%
$8,500 2018
Mali
0.7%
$6,100 2018
Panama
0.7%
$6,700 2018
Poland
0.7%
$8,800 2018
Other countries 1%

Country totals only. Individual lots do not show the buyer's country.

Copart vs IAAI

Copart 114 sold median $7,150
IAAI 84 sold median $6,800

Last 12 months · updated October 14, 2026

S4 years

2024 2023 2022 2021 2020 2019 2018 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 2002 2001 2000 1998 1994 1993 1992

Audi models

A3 A4 A5 A6 A6 e-tron A7 A7 Sportback A8 allroad Cabriolet e-tron e-tron GT Q3 Q4 e-tron Q5 Q6 e-tron Q6 e-tron Sportback Q7 Q8 Q8 e-tron R8 RS 3 RS 4 RS 5 RS 6 RS 7 RS e-tron GT RS Q8 S e-tron GT S3 S4 S5 S6 S6 e-tron S7 S8 SQ5 SQ6 e-tron SQ7 SQ8 SQ8 E-Tron TT TT RS TTS

Auction archive FAQ

How much does a 2018 Audi S4 sell for at Copart and IAAI?

Over the last 12 months the median final bid for a 2018 Audi S4 was $7,100; half of the 198 sales went for $5,100 to $9,075.

Where do 2018 Audi S4 cars from US auctions go?

Among sales with a known buyer country: United States (84%), Georgia (4%), Lithuania (2%).

Is a 2018 Audi S4 cheaper at Copart or IAAI?

Median final bid over the last 12 months: Copart $7,150, IAAI $6,800.

How much does a 2018 Audi S4 sell for at auction?

The auction results listed here are the answer — every 2018 Audi S4 lot carries its own final bid. Read the range and place your car inside it instead of trusting one figure.

What pushes a 2018 Audi S4 final bid to the bottom of the range?

Water and fire losses, missing keys, deployed airbags and a branded title. Any two of those together usually explain a sold price that looks improbably low.

VIN history beyond the auction

Look past the final bid on any 2018 Audi S4

Title brands, accident reports and odometer entries: the VIN history behind any auction lot.

Example VIN history →