A 2023 Audi S4 averages $43,990 today, with most selling between $43,890 and $43,990. ForCar prices the Audi S4 from real US listings across 18 model years ($1,500–$48,000) — trade-in, private-party and dealer, adjusted for mileage. Free, no signup.
A 2018 Audi S4 still asks 50% of what a 2023 one does — that's how much value it holds after 5 years. Among 46 sedans we price, that ranks #28, below the 52% class median. The steepest single-year drop comes at year 5 (−35.3%), after which losses ease to about 33.2% a year. Calculated from 109 listings.
Audi S4 value by year
What a Audi S4 is worth at each model year, from real US listings — the low (trade-in), median (private-party) and high (dealer) price.
| Year | Trade-in | Median | Dealer | Listings |
|---|---|---|---|---|
| 2023 | $43,890 | $43,990 | 6 | |
| 2022 | $37,998 | $48,000 | 3 | |
| 2021 | $26,999 | $38,500 | 3 | |
| 2020 | $31,495 | $34,990 | 3 | |
| 2019 | $26,000 | $33,950 | 5 | |
| 2018 | $15,000 | $22,995 | 13 | |
| 2016 | $23,995 | $23,995 | 3 | |
| 2015 | $11,500 | $24,000 | 9 | |
| 2014 | $6,000 | $29,977 | 14 | |
| 2013 | $9,986 | $29,977 | 6 | |
| 2012 | $8,000 | $16,995 | 6 | |
| 2011 | $5,998 | $20,000 | 3 | |
| 2010 | $15,900 | $19,995 | 3 | |
| 2007 | $8,850 | $16,000 | 9 | |
| 2006 | $8,995 | $12,899 | 3 | |
| 2005 | $5,500 | $8,999 | 13 | |
| 2004 | $1,000 | $8,800 | 3 | |
| 2001 | $4,000 | $15,000 | 4 |
How the Audi S4 depreciates
Median market price by model year — how a Audi S4 loses (or holds) value as it ages, from real listings. See how it tracks against the typical depreciation curve by age:
The newest Audi S4 averages $43,990; a 22-year-older one runs about $9,500 — roughly 78% lost over 22 years. The steepest drop is usually in the first few years.
Does the Audi S4 hold value better than its rivals?
Every sedan we price, ranked by how much of its 2023 price a 2018 car still asks. Higher is better — the Audi S4 sits at #28 of 46, against a class median of 52%.
The Audi S4 market right now
What the market asks for a Audi S4 at each model year — the median of 171 real listings we track. Pro plots every individual listing on this chart.
Adjust your Audi S4 value for mileage
Pick a model year and enter your odometer — see what your exact Audi S4 is worth on today's market.
Trade-in, private-party & dealer price
Every Audi S4 has three prices. Our low–median–high range maps to what a dealer pays you, what you'd get selling it yourself, and what a lot charges — compare with current used-market prices across all models.
For a 2023 Audi S4: a dealer trade-in offer is around $43,890, selling private-party nets about $43,990, and a lot asks near $43,990 — a $100 spread on the same car.
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Get an exact Audi S4 value by VIN
Trim, engine and options move the value. Decode your Audi S4's VIN free to pin the exact build, then check its market value.
More on the Audi S4
Audi S4 value FAQ
How much is a Audi S4 worth?
A 2023 Audi S4 averages $43,990 today (roughly $43,890–$43,990). Value depends on the year and mileage — see the table above for every model year, or add your mileage for an exact number.
Does mileage change the Audi S4 value?
Yes — higher mileage lowers value. Enter your odometer reading in the mileage tool above to adjust the estimate from the model-year average.
Is the Audi S4 value free?
Yes, every estimate is free with no signup, from real US market listings.
How is this calculated?
ForCar aggregates real asking prices for the Audi S4 from current US listings into the low (10th percentile), median and high (90th percentile) price per model year.
Which Audi S4 year is the best value?
See the value-by-year table and depreciation above — older years cost less but the newest years hold value best. The sweet spot is usually a few years old, where the steepest depreciation has already happened.
Is this a free Audi S4 Blue Book alternative?
Yes. ForCar is a free, no-signup alternative to Kelley Blue Book and NADA — instead of a private formula, you see what Audi S4s are actually listed for right now, by year and mileage.