2015 Mazda 3 4-Door Specs
5 powertrain configurations on federal record for the 2015 Mazda 3 4-Door: 2.0L 4-cyl Regular Gasoline; 2.5L 4-cyl Regular Gasoline, rated up to 33 MPG combined by the EPA.
Source: EPA federal records (fueleconomy.gov) · Updated 2026-10-26 · By CarWhere Research
| Engine | Transmission | Drivetrain | City | Highway | Combined |
|---|---|---|---|---|---|
| 2.0L 4-cyl Regular Gasoline | Manual 6-spd | Front-Wheel Drive | 29 | 39 | 33 |
| 2.0L 4-cyl Regular Gasoline | Automatic (S6) | Front-Wheel Drive | 30 | 40 | 33 |
| 2.5L 4-cyl Regular Gasoline | Automatic (S6) | Front-Wheel Drive | 28 | 38 | 31 |
| 2.5L 4-cyl Regular Gasoline | Automatic (S6) | Front-Wheel Drive | 29 | 39 | 32 |
| 2.5L 4-cyl Regular Gasoline | Manual 6-spd | Front-Wheel Drive | 25 | 36 | 29 |
3 4-Door by year
Buying a used 3 4-Door? Specs are the easy half.
then check the specific car: the Full VIN Report shows that VIN's factory build, recall record, and market history before you pay for it.
Frequently asked questions
What engines does the 2015 Mazda 3 4-Door have?
2 engines on federal record: 2.0L 4-cyl Regular Gasoline; 2.5L 4-cyl Regular Gasoline, offered with Manual 6-spd, Automatic (S6) and Front-Wheel Drive. The full per-configuration table is above.
What gas mileage does the 2015 Mazda 3 4-Door get?
EPA combined ratings run 29–33 MPG depending on configuration — the table above shows city/highway/combined for each engine, transmission, and drivetrain.
How do I get the specs for my exact VIN?
These are the federal-record configurations for the 2015 Mazda 3 4-Door overall. For one specific vehicle — its exact engine, trim, factory options, and original window sticker — decode the 17-character VIN free at carwhere.com/tools/vin-decoder.
Where does this data come from?
The U.S. EPA's public vehicle dataset (fueleconomy.gov) — the federal record of every US-market configuration since 1984 — refreshed 2026-10-26. Public-domain data; republish with attribution to CarWhere (carwhere.com).