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The Interislander ferry service carries nearly 800,000 passengers and 250,000 vehicles across Cook Strait each year, according to figures cited by NZRAC from KiwiRail.
NZRAC says the service links Wellington and Picton, remaining a key transport corridor for domestic and international travellers moving between the North and South islands.
The company also notes the New Zealand Government has confirmed two new rail-enabled ferries for delivery in 2029, each with capacity for 1,500 passengers.
Picton arrivals drive rental demand
NZRAC says ferry arrivals into Picton create a distinct pattern of rental vehicle demand, with many passengers seeking immediate onward transport after disembarking.
Unlike major airports, Picton is a smaller arrival point with fewer public transport options, making rental vehicles attractive for visitors starting South Island itineraries.
The company says travellers commonly use Picton as the starting point for journeys through the Marlborough Sounds, down the east coast to Christchurch, or across to the West Coast.
One-way travel popular
NZRAC says inter-island travel also supports strong demand for one-way vehicle hires, allowing visitors to collect a car in one centre and return it elsewhere.
According to IBISWorld figures cited by NZRAC, New Zealand’s passenger car rental and hiring industry reached NZ$2.3 billion in market size in 2025.
The company says one-way flexibility remains an important factor for travellers planning multi-stop itineraries, including routes ending in Queenstown or Dunedin.
Network supports touring routes
NZRAC says providers such as NZRAC operate networks of branches across both islands, enabling one-way hires between most major centres.
The company says with Cook Strait passenger volumes remaining strong and new ferries on the way, demand for rental vehicles linked to ferry travel is expected to remain an important part of visitor transport planning.
