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How Are GAP Insurance Claims Calculated?

GAP Insurance claims are calculated by comparing your motor insurer’s payout with your vehicle’s original value, finance balance, or replacement cost, depending on the type of cover you have.
 
The difference between these figures is the amount your GAP policy pays.
 
At its simplest, GAP Insurance covers the financial shortfall after your car is written off or stolen.

How the calculation works in practice

When your vehicle is declared a total loss, the process follows a set order.
 
First, your motor insurer assesses the car and determines its market value at the time of the incident. This is based on factors such as age, mileage, condition and market data.  How a Return to Invoice GAP Insurance claim is calculated - example
 
They then settle your claim by paying the market value.
 
Once that figure is confirmed, your GAP Insurance uses it as the starting point for its own calculation. The policy compares the insurer’s payout against a higher reference value, and the difference between the two is paid as your GAP claim.

A simple example

If you bought your car for £25,000 and your motor insurer pays £15,000 at the time of a write-off, the shortfall is £10,000.
 
Your GAP Insurance would typically cover that difference, depending on your policy type and limits.

Why the type of GAP cover matters

The amount your GAP policy pays depends on what it is designed to protect.
 
With Return to Invoice cover, the calculation is based on the price you originally paid for the vehicle. The aim is to put you back in the same financial position you were in when you bought the car.
 
With Vehicle Replacement cover, the comparison is against the cost of replacing your car with one of the same age, mileage and specification at the time of the claim. In some cases, this can exceed the original purchase price.
 
If your policy includes finance protection, the calculation may also consider any outstanding finance balance if that is higher than the other figures.
 
Lease & Contract Hire GAP covers the difference between your motor insurer’s payout and the outstanding lease settlement. It can also include your initial rental payment, depending on the policy and options.  How a Vehicle Replacement GAP Insurance claim is calculated - example
 
The key point is that the same write-off can produce different GAP payouts depending on the type of cover you have.

What affects the size of a GAP claim

Although the calculation itself is simple, the final payout can vary depending on a number of factors.
 
The most important aspect is your motor insurer’s valuation. GAP Insurance relies on that figure, so if the market value is lower, the shortfall will be larger. If it is higher, the gap reduces.
 
Depreciation also plays a major role. Newer vehicles tend to lose value more quickly in the early years, which is why GAP Insurance is often most relevant during that period.
 
Depending on the type of GAP Insurance you have, your original invoice can be important. The calculation is based on what you actually paid for the vehicle, including any eligible factory options or dealer-fitted extras listed on that invoice.
 
If you have a Vehicle Replacement GAP, then the cost of the equivalent replacement vehicle (only known at claims time) will be a key factor. This is because VRI GAP will consider replacement cost when calculating your GAP Insurance claim.
 
With Lease and Contract Hire GAP, the lease settlement at the time you make the claim will be the biggest impact on your claim calculation.
 
Policy limits and terms can also affect the outcome. Most policies have a maximum claim limit, and there may be specific conditions around what is included.

What is not included in the calculation

GAP Insurance is designed to work from the vehicle’s original value, so anything outside that is usually excluded.
 
For example, accessories purchased after the sale are not included if they do not appear on the original sales invoice. Your motor insurer may still cover these items, but they will not increase your GAP settlement.  How a Contract Hire & Lease GAP Insurance claim is calculated - example
 
Most GAP claims can include a contribution towards your motor insurance excess deduction. However, most have an upper limit to what they will pay. Anything above this amount will not be included in your GAP claim.
 
The policy also does not replace items that your motor insurer refuses to cover. If the underlying motor claim is declined or reduced, the GAP claim will be affected in the same way.

How the claim is finalised

Once your motor insurer has made its payment and all figures are confirmed, your GAP provider calculates the difference and settles the claim directly.
 
The process is normally straightforward, provided all documentation is in place, and the terms of both policies have been met.

How does this fit into your overall cover?

GAP Insurance is not designed to create extra value. Its role is to bridge the gap between what your car is worth at the time of a loss and what it originally cost or what it would cost to replace.
 
Understanding how that calculation works helps you choose the right type of cover and avoid surprises if you ever need to claim.
 
For a fuller explanation of how policies work, see our GAP Insurance 101 guide.

Key takeaway

A GAP Insurance claim is calculated by taking your motor insurer’s payout and comparing it to a higher reference value, such as your original purchase price or replacement cost. The difference between the two is what your policy pays.
 

Thinking about GAP Insurance?

If you’re considering cover, it’s worth checking how different policies calculate claims and what values they use.
 
You can also get a quick quote to see your options based on your vehicle.