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Used 2021 Audi S6 for Sale

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Find a Used 2021 Audi S6 Near You

TrueCar has 16 used 2021 Audi S6 models for sale nationwide, including a 2021 Audi S6 Premium Plus and a 2021 Audi S6 Prestige. Prices for a used 2021 Audi S6 currently range from $36,500 to $53,702, with vehicle mileage ranging from 26,138 to 75,692. Find used 2021 Audi S6 inventory at a TrueCar Certified Dealership near you by entering your zip code and seeing the best matches in your area.

Nationwide Audi S6 Listings by Year

VehiclePrice FromCertified Pre-OwnedUnder 100k MilesAccident FreeTotal Available
2025 Audi S6$77,5950 listings1 listing1 listing1 listing
2024 Audi S6$72,9910 listings1 listing1 listing1 listing
2023 Audi S6$58,9900 listings1 listing1 listing1 listing
2022 Audi S6$44,9952 listings13 listings9 listings13 listings
2021 Audi S6$36,5000 listings16 listings13 listings16 listings
2020 Audi S6$26,9990 listings5 listings4 listings6 listings
2018 Audi S6$22,7910 listings17 listings8 listings17 listings
2017 Audi S6$18,9990 listings3 listings2 listings4 listings
2016 Audi S6$22,4220 listings2 listings2 listings3 listings
2015 Audi S6$21,5900 listings2 listings2 listings3 listings

More About the 2021 Audi S6

Audi S6 Overview

The Audi S6 is a midsize sports sedan packed with the German automaker's sophistication and technology, capable of outrunning the average sports car on straightaways and twisty roads. While it looks like a luxury sedan from the outside, looks can be deceiving. Audi integrates a 444-hp mild-hybrid engine, adaptive air suspension, and other cutting-edge components to give the S6 driving performance to match its comfort and all-weather practicality.

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What's New on the 2021 Audi S6

The S6 receives 21-inch wheels with summer tires. An upgraded digital driver display is standard. Carbon-fiber twill inlays now accent the cabin.

Audi S6 Pros & Cons

Pros

Potent powertrain offers fun driving dynamics. Elegant cabin with high-quality materials. Cutting-edge infotainment system. Standard suite of driver safety features.

Cons

Mild-hybrid system could be more efficient. High starting price for its segment. Not as potent as some competitors.

TrueCar’s used 2021 Audi S6 inventory ranges from $36,500 to $53,702.
The used 2021 Audi S6 comes in a sedan body style. 2021 Audi S6 listings also offer automatic transmission. The 2021 Audi S6 only comes with gas as a fuel type option.
The used 2021 Audi S6 only has 2 trims available: the 2021 Audi S6 Premium Plus and the 2021 Audi S6 Prestige.
Based on TrueCar’s inventory, used 2021 Audi S6 listings usually offer android auto, apple carplay, and backup camera. On the opposite end, only a small number of used 2021 Audi S6 listings have premium wheels, adaptive cruise control, or front cooled seats.
The original MSRP for the 2021 Audi S6 started at $75,445 for the Premium Plus and went up to $82,145 for the Prestige.
The 2021 Audi S6 Premium Plus gets 22 combined MPG, per EPA estimate.