Under the Hood

The 2.0-liter four-cylinder in the Mazda3 i has variable valve timing and develops 148 horsepower (144 hp in PZEV form). The Mazda3 s uses a 2.3-liter four-cylinder that pumps out 156 hp. A five-speed manual gearbox is standard, and a four-speed automatic transmission with a manual-shift provision is optional for the Mazda3 i. The 2.3-liter engine can mate with a five-speed automatic.

    See also:

    Engine Compartment Overview
    Without turbocharger With turbocharger ...

    Rear Window Defroster
    The rear window defroster clears frost, fog, and thin ice from the rear window. The ignition switch must be in the ON position. Press the switch to turn on the rear window defroster, the indica ...

    Keyless Entry System
    This system remotely locks and unlocks the doors and opens the trunk lid, and opens the power windows and the moonroof. It can also help you signal for attention. Operating the theft-deterrent sy ...