Can you identify New Zealand’s best-performing car insurers from independent evidence?

Not reliably, at least not from the public data currently available. You can compare some independently recorded indicators of insurer conduct, complaints and claims handling, but there is not enough consistently published, motor-specific evidence to establish a defensible league table of which NZ insurers deliver the best repair quality, fastest settlements or fairest payouts.

The distinction matters: an insurer can have relatively few complaints without necessarily delivering better repairs, while an insurer with more complaints may simply handle many more claims.

The strongest approach is to combine independent dispute-resolution data, regulatory findings and evidence about repair and settlement outcomes, while being explicit about what each source can and cannot establish.

What independent evidence is available?

1. External dispute-resolution outcomes

Independent evidence

The Insurance Council of New Zealand (ICNZ) publishes insurer-level figures for complaints decided by external dispute-resolution schemes. The data distinguishes complaints upheld for customers, upheld for insurers, and resolved through agreed or partially upheld outcomes.

This is useful evidence of disputes that progressed to an independent scheme. However, the published personal-lines figures combine motor, home, contents, travel and credit insurance, rather than isolating car insurance. How to Make an Insurance Complaint (NZ)

Source: ICNZ — complaints data and how to make a complaint

2. Financial Markets Authority (FMA) reviews

Independent regulatory scrutiny

The FMA's July 2025 review examined insurer claims processes following the Auckland Anniversary Weekend flooding and Cyclone Gabrielle. It identified areas requiring improvement, including communications, project oversight, resourcing and complaints handling.

These findings help identify systemic weaknesses in claims management, but they concern major weather events and insurance claims more broadly. They do not establish which car insurer produces the best everyday motor repairs. Insurance companies have improved their processes but more to do in extreme events

Source: FMA — Insurance companies have improved their processes but more to do in extreme events

3. Repair guarantees and policy terms

Directly relevant, but not an outcome ranking

Consumer NZ explains that insurers commonly direct customers to approved repairers, and that some insurers guarantee work completed through their approved networks. The ability to choose your own repairer, the scope of the guarantee and the applicable excess can materially affect the claims experience.

These terms can be compared directly, but a generous written guarantee does not prove that repairs are completed to a higher standard or with fewer delays. Car insurance buying guide

Source: Consumer NZ — Car insurance buying guide

4. Consumer experiences and complaints

Consumer reports, customer reviews and complaints can reveal recurring problems such as delays, poor communication, repair rework and disagreements over cash settlements.

These are useful signals, particularly when multiple independent accounts describe the same failure. But self-selected reviews are not representative samples of all claims, and complaint counts alone cannot measure the probability of a bad outcome.

What do the latest published numbers actually tell us?

The ICNZ 2025 Annual Review provides a useful illustration of the problem.

Insurance claims in 2025

1.31 million

Referred to external dispute resolution

603

External cases settled

41

Upheld against insurers

16

Source: ICNZ Annual Review 2025, Fair Insurance Code statistics. Figures cover the participating insurance industry, not motor insurance alone. Fair Insurance CodeFair Insurance Code

These figures are valuable for understanding the overall dispute-resolution system, but they do not tell us which motor insurer repairs cars better.

There are three particularly important limitations:

• The denominator is too broad. The 1.31 million claims cover multiple types of insurance. You cannot use it to calculate a meaningful motor-claim complaint rate.
• External disputes are a selected subset. Most claimants never reach an external dispute scheme. The figures exclude many unresolved problems, informal complaints, and unsatisfactory experiences that customers accept or abandon.
• Complaint outcomes are not repair outcomes. They do not measure repair defects, repeat visits, vehicle downtime, hire-car delays, total-loss valuation accuracy or settlement adequacy.

The ICNZ also publishes insurer-level data for personal-lines external disputes. Its 2024 figures are more granular, but still combine several insurance products. Those figures can help identify issues worth investigating; they cannot establish a reliable motor-insurer ranking. How to Make an Insurance Complaint (NZ)

Which measures would actually support a ranking?

A credible comparison would require data for the same period, the same type of motor policy and comparable claims. Here is how I would assess the evidence.

Measure	What it reveals	Main limitation
Independent complaints upheld against the insurer per 1,000 motor claims	Frequency of substantiated disputes	Requires motor-specific claim counts and consistent case definitions
Median time from claim to completed repair or settlement	Speed of resolution	Must separate repairable vehicles from total losses and complex claims
Repair rework and defect rate	Quality of repair outcomes	Requires post-repair inspection or reliable follow-up data
Final payout relative to an independently assessed entitlement	Settlement adequacy	Requires comparable assessments of what the policy actually covers
Repeat complaints, escalation and compensation	Severity of claims-handling problems	Depends on consistent reporting and case complexity
Customer satisfaction after a completed claim	Claimant experience	Surveys can be affected by response bias and customer expectations

The strongest evidence would combine these measures rather than rely on a single headline statistic.

For example, a low complaint rate alongside high repair rework would not indicate good overall performance. Likewise, a fast settlement is not necessarily fair if the payment is insufficient to restore the vehicle or meet the policyholder's entitlement.

What the regulator's evidence adds

The FMA's Weather Events Claims Insights report is particularly useful because its scope included private motor insurance alongside home and contents insurance.

The review examined seven general insurers' self-assessments, supplemented by feedback from brokers and dispute-resolution schemes. It identified opportunities to improve communication, third-party oversight, resourcing, complaint handling and business continuity. Weather Events Claims Insights

This is independent regulatory scrutiny, but it has important limitations for your question:

• It examined claims arising from the 2023 Auckland Anniversary floods and Cyclone Gabrielle, not a representative sample of routine car accidents.
• Much of the insurer information came from self-assessments.
• It did not publish a standardised, public league table of motor repair quality or settlement fairness.

The report therefore supports assessing insurers' claims processes, but it does not justify declaring one provider better than another for ordinary car claims.

How I would compare insurers in practice

I would use a three-layer assessment rather than manufacture an overall score from incomplete data.

1. Independent outcomes first. Collect insurer-level external dispute decisions, relevant regulatory findings and any published evidence of systemic failures. Separate motor-specific results from other insurance products.
2. Claims experience second. Compare repair guarantees, approved-repairer arrangements, choice of repairer, total-loss valuation provisions, replacement vehicle benefits and the treatment of repair delays. Consumer NZ's car insurance guide is a useful starting point.
3. Treat missing information as unknown. If an insurer does not publish its repair rework rate or settlement time, do not assume it performs well or poorly. Record the measure as unavailable rather than assigning a score.

For any figures supplied by an insurer, I would ask for the reporting period, number of motor claims, exclusions, median and 90th-percentile resolution times, and whether the numbers cover all claims or only completed claims. These details make comparisons considerably more meaningful.

What would change the conclusion?

A public dataset containing insurer-specific motor claim volumes, independent dispute outcomes, repair quality and settlement timeliness could support a meaningful comparison, especially if it adjusted for claim complexity and vehicle damage severity.

New Zealand's existing public evidence offers pieces of that picture, but not the full dataset needed for a robust ranking.

My conclusion: you can identify independently documented problems and compare aspects of policy design and claims handling. You cannot reliably establish which NZ car insurer achieves the best overall repair and settlement outcomes from the publicly available measures alone.

The most defensible consumer decision is therefore to use independent evidence to rule out documented concerns, then compare the specific repair and settlement protections that matter to you—not to treat complaint counts, review scores or insurer marketing claims as proof of superior performance.