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:

    Seat Belt Pretensioner and Load Limiting Systems
    For optimum protection, the driver and passenger seat belts are equipped with pretensioner and load limiting systems. For both these systems to work properly you must wear the seat belt properly. ...

    Engine Oil
    NOTE. Changing the engine oil should be done by an Authorized Mazda Dealer. Recommended Oil Use SAE 5W-20 engine oil. Oil container labels provide important information. A chief contribution th ...

    Owner Maintenance Precautions
    Improper or incomplete service may result in problems. This section gives instructions only for items that are easy to perform. As explained in the Introduction, several procedures can be done onl ...