2026 · Midsize Car · Gas
2026 Mazda 3 MPG & fuel economy
The 2026 Mazda 3 is a midsize car offered in 7 EPA-rated configurations. The most efficient version returns 30 MPG combined (27 city / 36 highway) on regular gasoline. Across the lineup, combined ratings range from 26 to 30 MPG. That's down 1 MPG from the 2025 model. Among 31 midsize cars rated for 2026, it ranks 15th for lowest fuel cost. At 15,000 miles a year with $3.10/gal regular gas, it costs about $1,550 a year to fuel.
What will it cost you?
Your mileage and prices are saved and used across the site.
Fuel average
The 2026 Mazda 3's fuel average is 12.8 km/L (7.8 L/100 km), or 30 MPG combined: 11.5 km/L in the city and 15.3 km/L on the highway.
| MPG | km/L | L/100 km | |
|---|---|---|---|
| City | 27 | 11.5 | 8.7 |
| Highway | 36 | 15.3 | 6.5 |
| Combined | 30 | 12.8 | 7.8 |
How it ranks among 2026 Midsize Cars
Full class ranking →Annual fuel cost at 15,000 miles and default prices; shorter bars cost less.
3 MPG across model years
Full history →7 EPA-rated configurations
| Configuration | Type | City | Hwy | Combined | Range | Your cost / yr |
|---|---|---|---|---|---|---|
| FWD · 2.5L 4-cyl · 6-speed automatic 3 4-Door 2WD |
Gas | 27 MPG | 36 MPG | 30 MPG | — | $1,550 |
| 4WD · 2.5L 4-cyl · 6-speed automatic 3 4-Door 4WD |
Gas | 26 MPG | 34 MPG | 29 MPG | — | $1,603 |
| FWD · 2.5L 4-cyl · 6-speed automatic 3 5-Door 2WD |
Gas | 26 MPG | 34 MPG | 29 MPG | — | $1,603 |
| FWD · 2.5L 4-cyl · 6-speed manual 3 5-Door 2WD |
Gas | 25 MPG | 34 MPG | 28 MPG | — | $1,661 |
| 4WD · 2.5L 4-cyl · 6-speed automatic 3 5-Door 4WD |
Gas | 25 MPG | 34 MPG | 28 MPG | — | $1,661 |
| 4WD · 2.5L 4-cyl turbo · 6-speed automatic 3 4-Door 4WD |
Gas | 23 MPG | 32 MPG | 27 MPG | — | $1,722 |
| 4WD · 2.5L 4-cyl turbo · 6-speed automatic 3 5-Door 4WD |
Gas | 23 MPG | 31 MPG | 26 MPG | — | $1,788 |
Specs (most efficient configuration)
- Fuel
- Regular gasoline
- Engine / motor
- 2.5L 4-cyl
- Transmission
- 6-speed automatic
- Drivetrain
- FWD
- Passenger volume
- 93 cu ft
- Cargo volume
- 13 cu ft
- Tailpipe CO₂
- 294 g/mi
- EPA fuel economy score
- 6/10
- EPA greenhouse gas score
- 6/10
2026 Mazda 3 vs. rivals
Compare the 2026 3
With any other car from any year, including other 3 model years. Type a year to jump, e.g. "2015 Accord".
Frequently asked questions
What is the gas mileage of the 2026 Mazda 3?
Up to 30 MPG combined (27 city / 36 highway); ratings range from 26 to 30 MPG depending on configuration.
What fuel does the 2026 Mazda 3 use?
Regular gasoline.
What is the fuel average in km/L for the 2026 Mazda 3?
The 2026 Mazda 3's fuel average is 12.8 km/L (7.8 L/100 km), or 30 MPG combined: 11.5 km/L in the city and 15.3 km/L on the highway.
How much does it cost to fuel the 2026 Mazda 3 per year?
About $1,550 at 15,000 miles a year with $3.10/gal regular gas, or $10.33 per 100 miles. Use the calculator on this page to plug in your own mileage and prices.