Rego vs Road User Charges

In New Zealand, keeping your vehicle legally on the road requires you to pay vehicle registration (commonly known as "rego"). Depending on your vehicle's fuel type, you may also need to pay road user charges (RUC). While the two are often confused, they serve different purposes and apply to different vehicles. Understanding both is essential for every NZ car owner.

What Is Vehicle Registration (Rego)?

Vehicle registration is a mandatory payment for all motor vehicles used on public roads in New Zealand. Your rego covers the cost of ACC (Accident Compensation Corporation) levies and a small motor vehicle registration fee. The ACC portion funds New Zealand's no-fault accident compensation scheme, which covers personal injury costs for anyone involved in a motor vehicle accident.

Rego can be purchased for 3, 6, or 12 months at a time. Most owners find that paying annually is the most cost-effective option, although the upfront cost is higher. You can check your current rego expiry date on the windscreen label or through the NZTA online system.

How Much Does Rego Cost?

The cost of rego varies depending on the type of vehicle and the licence period you choose. For a standard petrol car, annual registration typically costs between $110 and $150, with the bulk of that being the ACC levy. Diesel vehicles pay a lower ACC levy through rego because they instead contribute through road user charges. Electric vehicles may have different levy structures as the government adjusts policy over time.

What Are Road User Charges (RUC)?

Road user charges are a distance-based tax that applies to vehicles that do not pay fuel excise duty at the pump. In practice, this means diesel vehicles and electric vehicles must purchase RUC. Petrol vehicles do not pay RUC because road maintenance costs are already included in the excise duty added to the price of petrol at the pump.

RUC is purchased in units of 1,000 kilometres. You must buy enough RUC to cover the distance you plan to drive. It is an offence to drive a diesel or electric vehicle on public roads with an exceeded RUC distance, and fines can apply.

How Much Do Road User Charges Cost?

For a standard light diesel vehicle (up to 3.5 tonnes), RUC costs approximately $76 per 1,000 km. If you drive 15,000 km per year, that works out to roughly $1,140 annually. For electric vehicles, RUC rates have been introduced and are set at a similar level. Heavier vehicles such as trucks pay significantly more based on their weight class.

Petrol vs Diesel: Which Pays What?

• Petrol vehicles — pay rego (including ACC levy) and fuel excise duty at the pump. No RUC required.
• Diesel vehicles — pay rego (with a reduced ACC levy) and must purchase RUC based on distance driven.
• Electric vehicles — pay rego and are now required to purchase RUC, following the end of the previous RUC exemption.
• Hybrid vehicles — if petrol-powered, pay the same as a standard petrol vehicle. Plug-in hybrids may have different obligations depending on their fuel type classification.

How to Pay Rego and RUC

Both rego and RUC can be paid online through the Waka Kotahi NZTA website or the NZ Transport Agency app. You can also pay at PostShops and selected AA centres. Online payment is the most convenient option and allows you to set up reminders so you never miss a renewal.

For RUC, you can also set up automatic top-ups through some fleet management providers, which is particularly useful for businesses running multiple diesel vehicles. When purchasing RUC online, you simply enter your vehicle's licence plate and odometer reading, then choose how many thousand-kilometre units to buy.

Understanding what you owe — and when — helps you avoid fines and budget accurately for your vehicle. For a full breakdown of ongoing costs, see our cost of owning a car guide, or head back to the ownership hub for more topics.