Audi RS 6 Avant: MPG and fuel economy by year
The EPA has rated the Audi RS 6 Avant across 6 model years, from the 2021 Audi RS 6 Avant through the 2026 Audi RS 6 Avant. The most recent 2026 Audi RS 6 Avant returns 16 combined MPG. The most efficient model year was the 2025 Audi RS 6 Avant at 17 MPG.
Pick a year below to open the full Audi RS 6 Avant page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Audi RS 6 Avant. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2026 | 2026 Audi RS 6 Avant | 16 MPG | 14 MPG | 21 MPG | $4,300 |
| 2025 | 2025 Audi RS 6 Avant | 17 MPG | 14 MPG | 21 MPG | $4,050 |
| 2024 | 2024 Audi RS 6 Avant | 17 MPG | 14 MPG | 22 MPG | $4,050 |
| 2023 | 2023 Audi RS 6 Avant | 17 MPG | 14 MPG | 21 MPG | $4,050 |
| 2022 | 2022 Audi RS 6 Avant | 17 MPG | 15 MPG | 22 MPG | $4,050 |
| 2021 | 2021 Audi RS 6 Avant | 17 MPG | 15 MPG | 22 MPG | $4,050 |
How the Audi RS 6 Avant compares against the Midsize Station Wagons class
Buyers usually compare the Audi RS 6 Avant against other cars in the same EPA class. The list below shows the most efficient cars in the Midsize Station Wagons class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.