2012 Mazda 6 Specs

3 powertrain configurations on federal record for the 2012 Mazda 6: 2.5L 4-cyl Regular Gasoline; 3.7L 6-cyl Regular Gasoline, rated up to 25 MPG combined by the EPA.

Source: EPA federal records (fueleconomy.gov) · Updated 2026-10-26 · By CarWhere Research

2012 Mazda 6 engines, transmissions, drivetrains and EPA gas mileage
EngineTransmissionDrivetrainCityHighwayCombined
2.5L 4-cyl Regular GasolineAutomatic (S5)Front-Wheel Drive223025
2.5L 4-cyl Regular GasolineManual 6-spdFront-Wheel Drive213024
3.7L 6-cyl Regular GasolineAutomatic (S6)Front-Wheel Drive182721

6 by year

Buying a used 6? 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 2012 Mazda 6 have?

2 engines on federal record: 2.5L 4-cyl Regular Gasoline; 3.7L 6-cyl Regular Gasoline, offered with Automatic (S5), Manual 6-spd, Automatic (S6) and Front-Wheel Drive. The full per-configuration table is above.

What gas mileage does the 2012 Mazda 6 get?

EPA combined ratings run 21–25 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 2012 Mazda 6 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).