Fast food's biggest competitors, Burger King and McDonald's, compete for the same dollar but their operating models could not be more different.

McDonald's, the world's largest hamburger chain, operates on an owner-operator franchise model within New Zealand with 170 stores while Burger King, which has a network of 83 stores, runs on a corporate model ultimately owned by a offshore private equity company.

In the year to December 31, McDonald's Restaurants NZ posted a net profit of $66.3 million, down $1.3m from $67.6m in the same period earlier.

The local division of the global fast food operator had total revenue