2021 Audi S8
16MPG
Combined
1
Trim
Updated February 27, 2026
Get the full picture on the 2021 Audi S8. As a Full-Size Sedan, it achieves 16 combined MPG and has not yet been rated by NHTSA. Below you’ll find detailed specs for every trim, plus recall information and competitor comparisons.
2021 Audi S8 Specifications
| Spec | Value |
|---|---|
| Combined MPG | 16 combined MPG |
| City MPG | 13 |
| Highway MPG | 22 |
| Body Style | Full-Size Sedan |
| Fuel Type | Premium |
| Drive | AWD |
| Available Trims | 1 |
Annual Fuel Cost
Based on EPA estimates, the 2021 Audi S8 costs approximately $3,650 per year in fuel. This assumes 15,000 miles driven annually and current fuel prices.
Compare the 2021 Audi S8
See how it stacks up against similar vehicles:
Other Model Years
- 2026 Audi S8
- 2025 Audi S8
- 2024 Audi S8
- 2023 Audi S8
- 2022 Audi S8
- 2021 (this page)
- 2020 Audi S8
- 2018 Audi S8
- 2017 Audi S8
- 2016 Audi S8
- 2015 Audi S8
- 2014 Audi S8
- 2013 Audi S8
- 2009 Audi S8
- 2008 Audi S8
- 2007 Audi S8
- 2003 Audi S8
Check Vehicle History
Considering a used Audi S8? Get a comprehensive vehicle history report including accident records, ownership history, and more.
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