A group of motorcyclists has gone to the High Court to try to stop a steep rise in ACC levies that is due to hit riders on 1 July, just two days away, with the largest bikes facing an increase of nearly $200 a year.
Motorcycle Advocacy Group New Zealand, known as MAGNZ, is seeking a judicial review of the new levy structure, and about 50 riders gathered outside the Christchurch Law Courts to back the case. The group wants the court to decide whether ACC and the responsible minister lawfully used their powers when they signed off the levy rates running from 2025 to 2028.
The change is one of the biggest shake-ups to how motorcyclists are charged in years. From 1 July, ACC moves from two engine-size bands to three risk groups, splitting bikes into 0 to 250cc, 251 to 750cc, and 751cc and above. ACC says the new groupings give it a more transparent and workable way to match the levy to the cost of injuries, which it says climbs as engine capacity rises.
For the heaviest bikes the jump is sharp. A petrol motorcycle over 750cc currently pays $428.19 a year, and from 1 July that rises to $624.93, an increase of $196.74. Mid-sized bikes in the new 251 to 750cc band move to $442.18, which is up $121.01 for a rider whose machine sits between 251cc and 600cc, and a smaller $13.99 rise for one between 601cc and 750cc. Owners of smaller and lighter machines do slightly better, with the 0 to 250cc rate easing to $311.70 and the moped rate falling from $107.09 to $86.93. Every motorcycle also carries a separate $25 safety levy, which stays the same. Riders who complete approved advanced training can claim a 25 percent discount on the ACC portion.
The other half of the change is who pays for what. ACC says motorcyclists currently fund about 28 percent of the cost of motorcycle injuries, with drivers of other vehicles covering the rest through their own levies. That rider share rises to 33 percent from 1 July this year and 37 percent from 1 July 2027. ACC argues the shift is fair because motorcycles make up a small slice of registered vehicles but a much larger share of the cost and severity of motor vehicle injuries.
To support the higher charge, ACC has pointed to its claims data, saying 37 percent of rider and pillion passenger injury claims come from crashes involving a single motorcycle where police assessed that the rider’s own actions contributed, at least in part, to what happened.
That framing is exactly what has angered riders. MAGNZ spokesperson Mark Chapple told RNZ the levy amounted to victim-blaming, saying “90 percent of intersection accidents are the fault of the car drivers.” He argued that using engine capacity as a risk measure, with no equivalent distinction drawn between cars, was grossly unfair and undermined the purpose of the ACC Act.
For some owners the bill stacks up quickly. Rider Barry Lynch told the same RNZ report that with two bikes in his shed he was looking at roughly $1,200 a year in ACC levies alone, before registration and the rest of the running costs that come with keeping a motorcycle on the road.
ACC has stayed quiet on the detail of the challenge, saying it could not comment while the matter was before the courts.
The court action is the sharp end of a protest that has been building for months. In late May, riders took their grievance to Auckland’s Harbour Bridge, and advocacy groups have urged members to put registrations on hold rather than pay the new charge, a tactic that puts riders at risk of being unregistered but is meant to send a message about how strongly the community feels. Taking the dispute into the High Court raises the stakes again, because a judicial review asks a judge to look not at whether the policy is wise but at whether the process used to set it was lawful.
The timing leaves little room to move. The levy is locked in to take effect on 1 July, so unless the court grants some form of hold, riders renewing their registration from that date will pay the new rates while the legal question is still being argued. That is part of why the group pushed for urgency, with the rates landing on owners before any ruling is likely to come down.
Behind the row sits a bigger question that reaches well beyond motorcycling. ACC is a no-fault scheme, which means it covers injuries regardless of who caused them, and it is funded by levies spread across workers, employers, motorists and the wider public. Deciding how much any one group should pay towards its own injuries is always going to be contested, and the motorcyclists’ case will test how far ACC can go in pricing risk by the type of vehicle a person chooses to ride. For now, riders face a higher bill, a court date, and a deadline that arrives on Wednesday.
What do you make of the ACC levy rise for motorcyclists, fair cost-sharing or unfair targeting of riders? Share your thoughts in the comments below.
This article was written by AI, briefed to report the facts, hopefully without some of the bias people bring to the job 🙂
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