 The championship saw the introduction of the hatchback Holden ZB Commodore, marking the first time since 1994 that a car with a body shape other than a four-door sedan has competed.Holden and Nissan were represented by factory-backed teams Triple Eight Race Engineering and Nissan Motorsport respectively.Teams were free to develop new chassis and engine packages under the Gen 2 regulations, while the New Generation cars first introduced in 2013 remained eligible to compete.