See also:

Child Restraint Precautions
Mazda strongly urges the use of child-restraint systems for children small enough to use them. You are required by law to use a child-restraint system for children in the U.S. and Canada. Check ...

Under the Hood
The Mazda3 i comes standard with a 148-horsepower, 2.0-liter four-cylinder engine that can team with a five-speed manual or five-speed automatic transmission. Mazda3 s models use a 167-hp, 2.5-lit ...

Modestly Powered Base Engine
The base 161-horsepower, 2.5-liter four-cylinder provides acceptable performance in city and suburban settings. Acceleration is quick enough, letting you keep pace with traffic. Where the engine s ...