2021 Audi B9 S4
Built in 2021 with a 354 hp 3.0L turbo V6.
- For sale now
- 71
Get notified about new Audi B9 S4 listings
Seen across 6 sites in the last 30 days.
2021 Audi B9 S4 against nearby years
| Year | Median (3 yrs) | Middle 50% | Sales (3 yrs) | For sale now |
|---|---|---|---|---|
| 2018 | $26k | $23k–$27k | 10 | 353 |
| 2019 | $35k | $28k–$37k | 6 | 189 |
| 2020 | $33k | – | 1 | 51 |
| 2021 | $35k | $33k–$36k | 4 | 71 |
Auction sales in the last 3 years; prices leave out salvage and other branded titles.
2021 Audi B9 S4 listings71 for sale now
Audi B9 S4 Specs
- Engine
- 3.0L Turbo V6
- Horsepower
- 354 hp
- Torque
- 369 lb-ft
- 0-60 mph
- 4.4s
- Top Speed
- 155 mph
- Curb Weight
- 3,858 lbs
Recent 2021 Audi B9 S4 auction sales
| Sold | Car | Price | Miles | Where |
|---|---|---|---|---|
| May 6, 2026 | 2021 Audi S4 Premium Plus May 6, 2026, Cars & Bids | $34,250 | 36,900 | Cars & Bids |
| Oct 20, 2025 | 2021 Audi S4 Premium Plus Oct 20, 2025, Cars & Bids | $39,025 | 31,000 | Cars & Bids |
| Sep 18, 2025 | 2021 Audi S4 Premium Plus Sep 18, 2025, Cars & Bids | $28,000 | 60,000 | Cars & Bids |
| Jun 18, 2025 | 2021 Audi S4 Jun 18, 2025, Cars & Bids | $35,500 | 27,100 | Cars & Bids |
102 2021 Audi B9 S4 vehicles have been tracked across auctions and listings on Hypercars, with 71 currently live.
Data sourced from auction results and dealer and private listings across 100+ marketplaces, auctions and forums, plus thousands of dealers. Updated daily.
Frequently Asked Questions
How many 2021 Audi B9 S4 listings are for sale right now?
There are 71 2021 Audi B9 S4 listings currently live across auctions, dealers, and marketplaces tracked by Hypercars.
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© 2026 Hypercars Technologies Inc. All rights reserved.
Hypercars Technologies Inc. is not affiliated with the companies or individuals mentioned on its site. Third-party trademarks and logos belong to their respective owners; use does not imply endorsement or affiliation. Data is provided "as is" without warranty of accuracy, completeness, or timeliness.
© 2026 Hypercars Technologies Inc. All rights reserved.
Hypercars Technologies Inc. is not affiliated with the companies or individuals mentioned on its site. Third-party trademarks and logos belong to their respective owners; use does not imply endorsement or affiliation. Data is provided "as is" without warranty of accuracy, completeness, or timeliness.