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:

    Engine Exhaust (Carbon Monoxide)
    WARNING. Do not drive your vehicle if you smell exhaust gas inside the vehicle: Engine exhaust gas is dangerous. This gas contains carbon monoxide (CO), which is colorless, odorless, and poisonou ...

    Hazardous Driving
    WARNING: Be extremely careful if it is necessary to downshift on slippery surfaces: Downshifting into lower gear while driving on slippery surfaces is dangerous. The sudden change in tire speed ...

    Scheduled Maintenance (USA, Canada, and Puerto Rico)
    Follow Schedule 1 if the vehicle is operated mainly where none of the following conditions apply. - Repeated short-distance driving. - Driving in dusty conditions. - Driving with extended use of ...