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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-s ...

Steering Wheel
WARNING: Never adjust the steering wheel while the vehicle is moving: Adjusting the steering wheel while the vehicle is moving is dangerous. Moving it can very easily cause the driver to abruptl ...

Catalyst that uses single nanotechnology
The MZR 2.0-litre petrol engine underfloor catalyst is the world's first vehicle catalyst to be constructed with single nanotechnology, which controls even finer materials structures than nanotech ...