Understanding insurance premiums

Explore factors that affect your Motor Insurance premium
Your car insurance premium is likely to change each year and you may wonder why. We want to help you understand your premium. This guide gives you the facts: how your premium works, how it’s calculated, and why it can change.
Your premium is the amount you pay for your car insurance policy. Each premium consists of a base premium and mandatory government charges. 
Here’s a breakdown of the types of costs that may make up your base premium.
Insurers use risk factors to consider the likelihood of a claim being made during your period of insurance, as well as the type of car insurance you’ve chosen.
Insurance companies also need to purchase their own insurance, known as reinsurance. Specialist insurance companies provide reinsurance to help insurers pay for claims caused by major disasters such as bushfires. 
If you purchase insurance through your car manufacturer, they may receive a commission. The commission amount can vary and is usually a percentage of your premium.
Here’s a breakdown of the mandatory government taxes and charges that are added to your base premium.
Insurers must pay the ESL, also called the fire services levy (FSL), each year for policies issued in NSW. Insurers must pay this levy to the NSW Government to help fund the emergency services.
The Australian government applies this federal tax to most goods and services, including insurance.
Stamp duty is a tax charged by state governments on certain transactions, like buying a house or a car. It’s charged on insurance policies and varies from state to state.
The money you pay to insure your vehicle is called a premium. By paying your premium, you’re contributing towards a shared pool of funds that helps to pay claims. It’s also used to pay for expenses – such as staff, office space and other things that keep insurers’ business going.

Insurers base your premium on your circumstances, the cover you’ve chosen, your likelihood of making a claim, and the potential cost of the claim. That’s why each person’s car insurance policy is different, and no two premiums are alike.

To work out how much it will cost to provide insurance for your vehicle, Allianz uses various data sources. We’ll also ask you specific questions. Your answers are important, and all customers have a duty to take reasonable care not to make a misrepresentation when answering our questions. 

To calculate your premium, insurers use a number of risk factors to determine your likelihood of making a claim. Some of the key risk factors Allianz uses include:

Whether a vehicle is used for personal or commercial purposes helps insurer figure out the level of risk involved with it being involved in an accident. Insurers consider the frequency and distance of travel, as well as the purpose of the vehicle. 
The cover type means the level of cover provided by the insurance policy. Third-party insurance only covers damage you cause to other people’s car or property. Comprehensive insurance covers both damage to other people’s cars and property, as well as damage to your own car. The greater the level of cover, the higher the premium will be.
Excess refers to the amount of money you agree to pay out of your own pocket towards any claims. For comprehensive cover, if you choose a higher excess, your premium will typically be lower because you will need to pay more towards the cost of any claims. If you choose a lower excess, your premium will be higher because your insurer would be taking on that risk.
Claims experience shows that inexperienced drivers are more likely to have a claim. This could be from overconfidence, a lack of skills or awareness, or distracted driving.
Past driving behaviour tends to predict future driving patterns. Claims experience shows that drivers who have had an at fault claim are more likely to have another claim at some stage.
For comprehensive cover, the availability of parts and cost of repairs differs between makes and models. Other factors such as the cost of the car, safety features, performance, theft rate, and crash test ratings all play a role in determining the premium. 
For comprehensive cover, insurers look at the amount your car is insured for when deciding on the premium. This is an important factor and generally, the lower the amount, the lower the premium will be. Other factors however, like claims cost, can also impact the premium.
Allianz internal data suggests that customers whose vehicles are financed are more likely to have claims. This affects the premium for comprehensive cover.
This refers to the area where your car is usually kept overnight and if it’s in a higher or lower risk area for accidental loss or damage to the vehicle. This includes areas prone to collisions, theft, or vandalism.
For more information, view the Premier Motor Insurance PED Guide (PDF, 81 KB).

Did you know that a significant portion of your overall premium goes towards paying claims? If the overall cost and number of claims paid increases, this can force premiums higher.

Here are some of the key factors that can influence claims costs:

New safety features in cars, such as crash avoidance sensors and advanced braking systems, can help prevent accidents or make them less severe. This technology may lead to fewer claims, but can also increase the cost of those claims. 
The more cars there are on the road, the higher the chances of accidents and collisions. More collisions can increase the number of claims insurers get. The more money insurers have to pay out increases the overall cost of premiums.
Higher average car prices tend to result in higher claim amounts. This is because the cost of replacing more expensive vehicles is generally greater. This higher cost can lead to an increase in premiums to account for the overall increase in potential claim amounts. 
This refers to the increase in the cost of claims over time. This can happen when vehicle repair costs increase due to more advanced technology, expensive materials, or disruptions in supply chains. It can also be influenced by factors such as changes in laws and regulations.
A lack of skilled labour, such as mechanics and repair technicians, can lead to longer waiting times for processing and repairing vehicles. This can cause frustration and dissatisfaction for policyholders. The need for additional resources to handle these issues can lead to higher premium prices to cover the increased costs.
This article has been prepared by Allianz Australia Insurance Limited ABN 15 000 122 850 AFSL 234708 ("Allianz"). In some cases, information has been provided to us by third parties and while that information is believed to be accurate and reliable, its accuracy is not guaranteed in any way.