2025 · Midsize Car · Gas
2025 Audi S5 MPG & fuel economy
The 2025 Audi S5 is a midsize car offered in 2 EPA-rated configurations. The most efficient version returns 23 MPG combined (20 city / 29 highway) on premium gasoline. Across the lineup, combined ratings range from 22 to 23 MPG. That's down 1 MPG from the 2024 model. Among 42 midsize cars rated for 2025, it ranks 35th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,576 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2025 Audi S5's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 20 | 8.5 | 11.8 |
| Highway | 29 | 12.3 | 8.1 |
| Combined | 23 | 9.8 | 10.2 |
How it ranks among 2025 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
S5 MPG across model years
Full history →2 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 3.0L 6-cyl turbo · 8-speed automatic S5 Sportback |
Gas | 20 MPG | 29 MPG | 23 MPG | — | $2,576 |
| AWD · 3.0L 6-cyl turbo · 7-speed dual-clutch S5 |
Gas | 19 MPG | 28 MPG | 22 MPG | — | $2,693 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 3.0L 6-cyl turbo
- Transmission
- 8-speed automatic
- Drivetrain
- AWD
- Passenger volume
- 91 cu ft
- Cargo volume
- 22 cu ft
- Tailpipe CO₂
- 384 g/mi
- EPA fuel economy score
- 5/10
- EPA greenhouse gas score
- 5/10
2025 Audi S5 vs. rivals
Compare the 2025 S5
With any other car from any year, including other S5 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2025 Audi S5?
Up to 23 MPG combined (20 city / 29 highway); ratings range from 22 to 23 MPG depending on configuration.
What fuel does the 2025 Audi S5 use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2025 Audi S5?
The 2025 Audi S5's fuel average is 9.8 km/L (10.2 L/100 km), or 23 MPG combined: 8.5 km/L in the city and 12.3 km/L on the highway.
How much does it cost to fuel the 2025 Audi S5 per year?
About $2,576 at 15,000 miles a year with $3.95/gal premium gas, or $17.17 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.