2025 · Subcompact Car · Gas
2025 Audi A3 MPG & fuel economy
The 2025 Audi A3 is a subcompact car with one EPA-rated configuration. The most efficient version returns 28 MPG combined (24 city / 34 highway) on premium gasoline. Among 30 subcompact cars rated for 2025, it ranks 11th for lowest fuel cost. At 15,000 miles a year with $3.95/gal premium gas, it costs about $2,116 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 A3's fuel average is 11.9 km/L (8.4 L/100 km), or 28 MPG combined: 10.2 km/L in the city and 14.5 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 24 | 10.2 | 9.8 |
| Highway | 34 | 14.5 | 6.9 |
| Combined | 28 | 11.9 | 8.4 |
How it ranks among 2025 Subcompact Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
A3 MPG across model years
Full history →1 EPA-rated configuration
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| AWD · 2.0L 4-cyl turbo · 7-speed dual-clutch A3 quattro |
Gas | 24 MPG | 34 MPG | 28 MPG | — | $2,116 |
Specs (most efficient configuration)
- Fuel
- Premium gasoline
- Engine / motor
- 2.0L 4-cyl turbo
- Transmission
- 7-speed dual-clutch
- Drivetrain
- AWD
- Passenger volume
- 87 cu ft
- Cargo volume
- 8 cu ft
- Tailpipe CO₂
- 320 g/mi
- EPA fuel economy score
- 6/10
- EPA greenhouse gas score
- 6/10
2025 Audi A3 vs. rivals
Compare the 2025 A3
With any other car from any year, including other A3 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2025 Audi A3?
Up to 28 MPG combined (24 city / 34 highway).
What fuel does the 2025 Audi A3 use?
Premium gasoline (premium is required or recommended by the manufacturer).
What is the fuel average in km/L for the 2025 Audi A3?
The 2025 Audi A3's fuel average is 11.9 km/L (8.4 L/100 km), or 28 MPG combined: 10.2 km/L in the city and 14.5 km/L on the highway.
How much does it cost to fuel the 2025 Audi A3 per year?
About $2,116 at 15,000 miles a year with $3.95/gal premium gas, or $14.11 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.