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:

    Theft-Deterrent System
    If the theft deterrent system detects an inappropriate entry into the vehicle, which could result in the vehicle or its contents being stolen, the alarm alerts the surrounding area of an abnormali ...

    LATCH Child-Restraint Systems
    Your Mazda is equipped with LATCH lower anchors for attachment of specially designed LATCH child-restraint systems in the rear seats. Both anchors must be used, otherwise the seat will bounce ar ...

    Fuel Requirements
    Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL, which will reduce exhaust emissions and keep spark plug fouling to a minimum. Your Mazda will perform best with fu ...