2018 Mazda 3
Midsize Cars · Front-Wheel Drive · Regular Gasoline
32
Combined MPG
28
City MPG
37
Highway MPG
—
Safety Rating
📊 Key Statistics — 2018 Mazda 3
- Combined fuel economy: 32 MPG (28 city / 37 highway)
- Annual fuel cost: $1,850
- CO₂ emissions: 280 grams/mile
Specifications
| Make | Mazda |
| Model | 3 |
| Year | 2018 |
| Class | Midsize Cars |
| Drive | Front-Wheel Drive |
| Transmission | Automatic (S6) |
| Fuel Type | Regular Gasoline |
| Cylinders | 4 |
| Engine Size | 2.0L |
EPA Scores
| Fuel Economy Score | 7/10 |
| Greenhouse Gas Score | 7/10 |
| You Save/Spend vs Average | $1,500 over 5 years |
Annual Fuel Cost
| Annual Fuel Cost (15K mi, $3.50/gal) | $1641 |
| Monthly Fuel Cost | $137 |
| Cost per Mile (fuel only) | $11¢ |
Based on 15,000 miles/year and $3.50/gallon national average.
Compare This Car
Mazda 3 — MPG by Year
| Year | MPG | |
|---|---|---|
| 2026 | 30 | ↓ |
| 2025 | 31 | ↓ |
| 2024 | 31 | ↓ |
| 2023 | 31 | ↓ |
| 2022 | 31 | ↓ |
| 2021 | 31 | ↓ |
| 2020 | 30 | ↓ |
| 2019 | 30 | ↓ |
| 2017 | 32 | = |
| 2016 | 33 | ↑ |
Similar 2018 Midsize Cars
- Hyundai Ioniq — 136 MPG
- Tesla Model 3 — 130 MPG
- Honda Clarity — 114 MPG
- Nissan Leaf — 112 MPG
- Toyota Prius — 56 MPG
- Toyota Prius Prime — 54 MPG
- Toyota Camry — 52 MPG
- Chevrolet Malibu — 46 MPG