A 2020 Audi S6 averages $37,995 today, with most selling between $36,950 and $37,995. ForCar prices the Audi S6 from real US listings across 4 model years ($7,500–$37,995) — trade-in, private-party and dealer, adjusted for mileage. Free, no signup.
A 2007 Audi S6 still asks 20% of what a 2020 one does — that's how much value it holds after 13 years. Among 44 sedans we price, that ranks #35, below the 24% class median. The steepest single-year drop comes at year 3 (−32.4%). Calculated from 12 listings.
Audi S6 value by year
What a Audi S6 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 |
|---|---|---|---|---|
| 2020 | $36,950 | $37,995 | 3 | |
| 2017 | $25,700 | $25,700 | 3 | |
| 2016 | $17,991 | $29,500 | 3 | |
| 2007 | $5,500 | $11,999 | 3 |
How the Audi S6 depreciates
Median market price by model year — how a Audi S6 loses (or holds) value as it ages, from real listings. See how it tracks against the typical depreciation curve by age:
The newest Audi S6 averages $37,995; a 13-year-older one runs about $7,500 — roughly 80% lost over 13 years. The steepest drop is usually in the first few years.
Does the Audi S6 hold value better than its rivals?
Every sedan we price, ranked by how much of its 2020 price a 2007 car still asks. Higher is better — the Audi S6 sits at #35 of 44, against a class median of 24%.
The Audi S6 market right now
What the market asks for a Audi S6 at each model year — the median of 27 real listings we track. Pro plots every individual listing on this chart.
Adjust your Audi S6 value for mileage
Pick a model year and enter your odometer — see what your exact Audi S6 is worth on today's market.
Trade-in, private-party & dealer price
Every Audi S6 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 2020 Audi S6: a dealer trade-in offer is around $36,950, selling private-party nets about $37,995, and a lot asks near $37,995 — a $1,045 spread on the same car.
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Get an exact Audi S6 value by VIN
Trim, engine and options move the value. Decode your Audi S6's VIN free to pin the exact build, then check its market value.
More on the Audi S6
Audi S6 value FAQ
How much is a Audi S6 worth?
A 2020 Audi S6 averages $37,995 today (roughly $36,950–$37,995). 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 S6 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 S6 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 S6 from current US listings into the low (10th percentile), median and high (90th percentile) price per model year.
Which Audi S6 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 S6 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 S6s are actually listed for right now, by year and mileage.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.