2018 Mazda 3 5-Door vs Honda Civic Si 4Dr — Side by Side Comparison
How does the 2018 Mazda 3 5-Door compare to the Honda Civic Si 4Dr? We put them side by side using EPA fuel economy data and NHTSA safety ratings.
Specifications Comparison
| Feature | Mazda 3 5-Door | Honda Civic Si 4Dr |
|---|---|---|
| Combined MPG | 32 | 32 |
| City MPG | 28 | 28 |
| Highway MPG | 37 | 38 |
| Body Style | Sedan | Sedan |
| Drive | FWD | FWD |
| Fuel Type | Regular | Premium |
| Safety Rating | N/A / 5 | N/A / 5 |
| Recalls | 0 | 0 |
| Trims Available | 4 | 1 |
Fuel Economy
The Honda Civic Si 4Dr is more fuel efficient by 0 MPG combined. Over a year, the Mazda 3 5-Door saves approximately $400 in fuel costs.