Under the Hood

Mazda3 models now offer a choice of engines:  

  • Standard  148-horsepower, 2.0-liter four-cylinder engine that teams with a five-speed manual or five-speed automatic transmission
  • Optional 167-hp, 2.5-liter four-cylinder engine that works with a six-speed manual or five-speed automatic
  • Automatic transmission models include a clutchless-manual mode that lets the driver control gear changes by nudging the console gear selector up or down.
    See also:

    Engine Oil
    NOTE: Changing the engine oil should be done by an Authorized Mazda Dealer. Recommended Oil Use SAE 5W-20 engine oil (Without turbocharger). Oil container labels provide important information. ...

    Tires
    For reasons of proper performance, safety, and better fuel economy, always maintain recommended tire inflation pressures and stay within the recommended load limits and weight distribution. WARNI ...

    Class-leading aerodynamics
    We adopted a new approach, called "airflow management," to optimally control the flow of air. Conventional car designs create a large amount of drag, a loss that adversely affects aerody ...