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.
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Substantially reduced road and wind noise
Many improvements were made to structural rigidity and powertrain NVH
performance to provide a quieter, more pleasant ride, including the reduction of
high frequency booming noise sometimes heard ...
Safety
In Insurance Institute for Highway Safety testing, the CX-7 received a Good
overall rating — the highest possible score — for its performance in
frontal-offset and side-impact crash tests. The IIH ...
Safety
Standard safety features include side-impact airbags for the front seats and
side curtain airbags for all three rows of seats. Second-row seats have Latch
child-safety seat anchors and top tethers ...


