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:

    Reporting Safety Defects (U.S.A.)
    If you believe that your vehicle has a defect which could cause a crash or could cause injury or death, you should immediately inform the National Highway Traffic Safety Administration (NHTSA) in ...

    Light Bulbs
    WARNING: Do not replace the xenon fusion bulbs yourself: Replacing the xenon fusion bulbs yourself is dangerous. Because the xenon fusion bulbs require high voltage, you could receive an ele ...

    Starting the Engine
    NOTE: Engine-starting is controlled by the spark ignition system. This system meets all Canadian Interference- Causing Equipment Standard requirements regulating the impulse electrical field stre ...