# B-T03-M-02: When I'm comparing car quotes, how much should I care about agreed value and the excess?

Collected 11 October 2026

[Car insurance study](https://nzbrands.ai/research/insurance/car-insurance)

## ChatGPT

Answer ID: c7b843bb-2463-4661-ad70-4304424fcba6

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](https://www.consumer.org.nz/money/insurance/car-insurance/guide?utm_source=chatgpt.com)

## 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](https://www.consumerprotection.govt.nz/help-product-service/cars/paying-registering-insuring-car/car-insurance?utm_source=chatgpt.com)

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](https://www.consumer.org.nz/money/insurance/car-insurance/guide?utm_source=chatgpt.com)

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](https://www.consumerprotection.govt.nz/help-product-service/cars/paying-registering-insuring-car/car-insurance?utm_source=chatgpt.com)

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:

1. **Coverage quality** (what is and isn’t covered)
2. **Agreed value / payout basis**
3. **Excesses (including any extra excesses)**
4. **Premium price**
5. 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](https://www.consumer.org.nz/money/insurance/car-insurance/guide?utm_source=chatgpt.com)

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.

## Gemini

Answer ID: 15b6e485-7ea6-4752-80b3-d05894dd2e0e

When comparing car insurance quotes, **both agreed value and the excess matter significantly**, but they serve entirely different purposes. How much you should care about each depends heavily on your financial buffer and the actual market value of your vehicle.

---

### 1. Agreed Value (vs. Market Value)
The agreed value is the set payout amount you and your insurer agree on if your car is written off or stolen. 

* **How it works:** Unlike a market-value policy (which pays what the insurer calculates the car was worth right before the accident), an agreed-value policy locks in a specific payout figure for that policy year. Insurers usually adjust this downward slightly at annual renewal to account for depreciation.
* **When you should care a lot:** 
  * If you drive a vehicle that depreciates rapidly, is a sought-after import, or has custom modifications/accessories that standard market valuation might miss. 
  * If you want total certainty on what cash payout you’ll receive in a worst-case scenario, eliminating any arguments with the insurer over the car's pre-accident worth.
* **When you can care less:** If your car has a very low overall market value (e.g., worth under $3,000 to $4,000), the difference between a market-value payout and an agreed-value payout will be minimal, yet the insurer may still charge you a higher premium for the fixed guarantee.

### 2. The Excess
The excess is the first portion of any claim you agree to pay out of your own pocket. 

* **How it works:** If you have a $500 excess and lodge a $3,000 repair claim, the insurer pays $2,500 and you pay the remaining $500. Insurers let you toggle this: a **higher excess** lowers your regular premium, while a **lower excess** raises your premium.
* **When you should care a lot:** 
  * **Cash flow and emergency savings:** If a sudden $500 or $1,000 bill would strain your finances, choosing a low excess is vital. 
  * **Additional penalties:** Check the fine print for extra excesses that stack on top of your standard one—such as age excesses (for drivers under 25), unlisted driver excesses, or restricted licence penalties. A policy that looks cheap upfront can come with a crippling total excess if a younger family member drives the car.
* **When you can care less:** If you have a healthy emergency fund and are confident you could comfortably absorb a higher out-of-pocket cost in exchange for a permanently lower monthly or annual premium.

---

### Summary Checklist for Comparing Quotes

1. **Prioritize the Excess based on your cash flow:** Can you comfortably pay it tomorrow if you have a minor accident? Don't opt for a massive excess just to get the cheapest quote if it leaves you financially exposed.
2. **Weigh Agreed Value against the car's worth:** If it’s a newer or specialty vehicle, prioritize agreed value to avoid getting short-changed. If it’s an older commuter car, market value or a lower agreed value is usually fine.
3. **Look at the total cost-benefit:** A quote with a high agreed value and a low excess will always cost significantly more in premiums. Balance those features against your actual risk tolerance.

Would you like to review how specific policy types (like comprehensive versus third-party) factor into this decision for your vehicle?

## AI Overviews

Answer ID: e7198783-35b5-4e40-b719-3116ee7a4571

When comparing car insurance quotes, you should care a **great deal** about both **agreed value** and **excess** , as they directly dictate how much you will pay both now and after an accident.

Here is how to weigh them against each other to find the best policy.

Agreed Value vs. Market Value

**Agreed value** is the fixed amount the insurer agrees to pay if your car is written off or stolen. **Market value** is what the car was worth on the open market right before the incident.

 * **Why you should care:** Agreed value gives you absolute certainty. If you have a car loan, an agreed value ensures you won't be left owing money to the bank if the car is totaled. Market value fluctuates and drops quickly, which can leave you short.

 * **The tradeoff:** Agreed value policies usually come with slightly higher premiums.

 * **The verdict:** Prioritize **agreed value** if your car is financed, has expensive modifications, or is a specific model you want to replace like-for-like. Opt for market value only if you want the absolute lowest premium and don't mind a unpredictable payout.

* * *

Understanding the Excess

The **excess** is the out-of-pocket amount you must pay before your insurer covers the rest of a claim.

 * **Why you should care:** It acts as a lever for your premium. A higher excess lowers your regular monthly or annual payments. A lower excess raises your premium.

 * **The danger zone:** Never choose an excess higher than what you can comfortably scrape together in an emergency. If your excess is $1,000 and you don't have that in savings, your car won't get fixed.

 * **The verdict:** Look closely at **voluntary vs. compulsory excess**. Some policies look cheap because they sneak in high compulsory excesses (like underage driver excesses or special vehicle excesses) on top of your standard excess.

* * *

Direct Comparison: How to Balance Them

If your priority is...| Look for this setup:| Why?
---|---|---
**Lowest regular bill**| High Excess + Market Value| Drops your premium to the absolute minimum, but carries the highest financial risk if you crash.
**Financial certainty**| Low Excess + Agreed Value| Maximizes your payout and minimizes your out-of-pocket stress, but costs the most upfront.
**The sweet spot**| Moderate Excess + Agreed Value| Keeps your total loss protected while keeping monthly payments manageable.

💡 Pro-Tip for Comparing Quotes

Don't just look at the premium price tag. Calculate the **"worst-case scenario" cost** for your first year:
Annual Premium+Total Excess=Your Actual Financial RiskAnnual Premium plus Total Excess equals Your Actual Financial RiskAnnualPremium+TotalExcess=YourActualFinancialRisk

Sometimes, a quote that is $50 cheaper per year carries a $400 higher excess, making it a much worse deal if you actually need to use it.

To help narrow down your quotes, would you like to share the **age of your car** , whether it is **under finance** , or if there will be any **drivers under 25** on the policy?

## Google AI Mode

Answer ID: a731a3c7-faae-4835-9e16-1332e5e1ca56

When comparing car insurance quotes, both **agreed value** and the **excess** play a massive role in how much you pay upfront versus how much protection you actually get if things go wrong. They trade off against each other and directly affect your wallet at different times.

Here is a breakdown of how much you should care about each and how to balance them:

1\. Agreed Value

 * * **What it is:** The fixed amount your insurer agrees to pay you if your car is written off or stolen during the policy term, regardless of market depreciation.

 * **How much you should care:** **High importance** , especially if you drive a car whose market value drops quickly, or a specialty/modified vehicle.

 * **Key details to weigh:**
 * **Market Value vs. Agreed Value:** A "market value" policy means the insurer decides what your car was worth right before the accident (which can lead to unpleasant surprises and lower payouts). An agreed value gives you certainty.
 * **The cost difference:** Insurers usually charge a slightly higher premium for a higher agreed value. Check if the agreed value matches a realistic replacement cost for your exact car make, model, and year.
 * **Annual review:** Agreed values typically drop slightly at each annual renewal to reflect depreciation, so make sure it still aligns with your expectations each year.

 *

2\. The Excess

 * * **What it is:** The amount you agree to pay out-of-pocket toward the cost of a claim before the insurer covers the rest. (Note: This often includes a standard excess plus extra amounts like an unlisted/young driver excess or a-voluntary excess).

 * **How much you should care:** **Moderate to high importance** , depending on your cash flow and risk tolerance.

 * **Key details to weigh:**
 * **The premium tradeoff:** Choosing a higher excess (e.g., $1,000 instead of $400) will lower your regular premium payment. Conversely, a lower excess costs more monthly or annually.
 * **Affordability in an emergency:** Ask yourself: _If I have an accident tomorrow, do I have that excess amount sitting in a savings account ready to pay instantly?_ If a higher excess would stretch your finances too thin after an accident, it is not worth the minor savings on your premium.
 * **Voluntary vs. Standard:** Some insurers let you voluntarily raise your excess to drop your premium. Only do this if you are confident you can cover that higher amount out of pocket.

 *

How to balance them in your comparison

 * * **Prioritize Agreed Value if:** You cannot afford to take a sudden financial hit if your car is totaled and market payout falls short of buying a reliable replacement.

 * **Prioritize a manageable Excess if:** You want to lower your regular premium _but_ want to ensure that if you do have a bingle, paying the excess won't cause a financial crisis.

 * **The "Sweet Spot":** Look for a quote that offers a realistic **agreed value** paired with an **excess** you could comfortably pay tomorrow without stressing your budget.

 *

If you want, let me know:

 * **The rough value and age** of your car
 * Whether you prefer **lower upfront costs** or **maximum protection**

I can help you figure out which combination makes the most financial sense for your situation.
