ChatGPT · New Zealand
When I'm comparing car quotes, how much should I care about agreed value and the excess?
When comparing car insurance quotes in New Zealand, agreed value and excess are two of the most important things to compare after the premium. A cheaper quote can look attractive but leave you worse off after a crash or theft. Consumer NZ
Agreed value: care a lot if your car is valuable or hard to replace
Agreed value is the amount you and the insurer agree your car is worth. If the car is written off or stolen (and not recovered), the insurer pays that agreed amount, subject to the policy terms and deductions such as excess. Consumer Protection
It matters more if:
- Your car is newer or worth a lot of money.
- You have a car loan and want certainty that a payout will cover what you owe.
- Your car is modified, rare, collectible, or difficult to replace.
- Market prices for your vehicle fluctuate.
Example:
- Quote A: $25,000 agreed value
- Quote B: market value only
If your car is written off, Quote B may result in a lower payout depending on the insurer’s valuation of the vehicle at that time. Consumer NZ
For an older, common car that is easy to replace, the difference may matter less.
Excess: care a lot about how you handle risk
The excess is the amount you pay yourself when you make a claim. A higher excess usually lowers your premium, but means a bigger bill if something happens. Consumer Protection
Example:
- Quote A: $500 excess, $1,100/year premium
- Quote B: $1,500 excess, $850/year premium
Quote B saves $250/year, but if you claim you are taking on an extra $1,000 cost.
A good rule:
- Choose an excess you could comfortably pay tomorrow if your car was damaged.
- Don’t choose a very high excess just to shave a small amount off the premium.
How I’d weigh them when comparing quotes
A rough priority order:
- Coverage quality (what is and isn’t covered)
- Agreed value / payout basis
- Excesses (including any extra excesses)
- Premium price
- Extras (windscreen cover, rental car, roadside assistance, etc.)
Also check for:
- Young/inexperienced driver excesses if relevant.
- Theft-related excesses for higher-risk vehicles.
- Whether the agreed value is reviewed at renewal and still matches what the car is worth. Consumer NZ
In practice, I’d usually prefer a quote that is a little more expensive but has a realistic agreed value and an excess I can comfortably afford, rather than the cheapest quote with a low payout or a painful excess.
If you share the two quotes (premium, agreed value, excess, and car year/model), I can help compare them.
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Captured 11 October 2026