The two-litre makes 114kW and 200Nm of torque while 2.5 version makes 138kW and 250Nm.
To accommodate the new design, with its larger interior dimensions, longer bonnet and more purposeful cabin area the hatchback is 40mm longer, 60mm wider and the roofline has dropped by 15mm.
The hatchback is Mazda's largest seller, and the new sleek, sportier form marks its first redesign since 2009.
Over 3.5 million Mazda3s have been sold worldwide, and as well as being responsible for the lion's share of Mazda sales here, it was the top selling car in Australia last year, surprising many by beating Ford and Holden's large car offerings.
Mazda New Zealand marketing boss Glenn Harris says the new hatchback could be responsible for up to half of the brand's sales next year with high private, lease and fleet demand.
See more about the 2014 Mazda3 in this weekend's Driven.