There have been more than 1 million Cruze models sold globally since 2009, with a large slice of this number in China and the United States.
Holden has been building both at its Elizabeth plant since this time last year, but the wagon will be imported.
"Cruze wagon offers customers a distinctive design, more space, great economy and still manages to offer dynamic driving," said Holden NZ managing director Jeff Murray.
"The Cruze nameplate is an incredible success story for Holden in New Zealand.
"The discerning customer these days is looking for versatility and we are confident that Cruze wagon can only strengthen the Cruze brand."
The wagon is slightly longer than the sedan and hatch at 4675mm, and promises 500 litres' load-carrying space - or 1500 litres up to the roofline with the rear seats folded down.
General Motors is being reasonably hushed on exactly where the wagon spec will sit - although Holden has generously announced roof racks as standard - but once the covers are lifted at Geneva, all will become clear.
Cruze - especially in its facelifted and dramatically improved Series II guise - has built its reputation on high-tech goodies such as colour touchscreen entertainment systems, GPS navigations and near-idiotproof Bluetooth integration, while the SRiV flagship even includes voice recognition.
Since the Series II tart-up, the clean and tasteful design has worked wonders for Holden - but bearing in mind that Cruze replaced the tragic Holden Viva and Astra, improvement wasn't difficult.
Wannabe wagoneers can expect the same wide front, chromed grille and shiny wheels as the rest of the range, plus the same set of interior options as the two other form factors, and under-bonnet offerings aren't likely to step too far from the current 1.8-litre petrol, the excellent 1.4-litre iTi turbo petrol and 2-litre diesel.