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:

    Advanced Keys
    The advanced keyless functions (advanced keyless entry and start system) enables the following operations while the advanced key is being carried . - Locking/unlocking the doors, and opening the t ...

    Immobilizer System (without Advanced Key)
    The immobilizer system allows the engine to start only with a key the system recognizes. If someone attempts to start the engine with an unrecognized key, the engine will not start, thereby helpi ...

    Battery
    WARNING: Wash hands after handling the battery and related accessories: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of Californi ...