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Essential Safety Equipment
Use of safety equipment, including seats, seat belt system, child-restraint systems and SRS air bags. ...

New for 2011
There are no significant changes. ...

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 ...