What is IDV in Car Insurance and Why is It Important?

Sneha Pillai’s hatchback turned three last month, in Pune. Her renewal quote came back with an insured value about a lakh below last year’s. She still has eighteen months of a car loan running. The quote offers a lower premium if she accepts a lower figure. She wants to know whether that trade is worth taking.

Her timing matters more than she realises. A car that has just crossed three years sits on the edge of an age band. The band it lands in moves the figure by a tenth of the car’s listed price. That is worth understanding before you accept a renewal.

What is IDV in car insurance?

Insured Declared Value is the sum insured on your policy. It is the most the insurer will pay if the car is stolen or written off. The policy sets it on the manufacturer’s listed selling price for your brand and model, adjusted for depreciation. It is fixed at the start of each policy period, so it resets at every renewal.

Two details in that definition do real work, starting with the manufacturer’s listed selling price. That leaves out registration, road tax and the insurance you paid on top. So a car you bought for twelve lakh on-road starts from a lower number than your invoice shows.

The second detail is that the figure is fixed for the policy period. It does not float with the used-car market through the year. Whatever is printed on your schedule in April is the ceiling on a claim the following January.

IDV is often described as your car’s market value, which is a rough description and not a definition. Market value is what a buyer would pay. IDV is the output of a formula in your policy. The two can differ on a model that holds its price unusually well.

How is IDV calculated in car insurance?

Take the manufacturer’s listed selling price for your brand, model and variant. Subtract the percentage set for the car’s age. That runs from 5% under six months to 50% at five years. Add the declared value of anything fitted to the car. The result is the IDV on your schedule.

Reduction applied for the car’s age

The bands are read strictly, and the words that matter are “exceeding” and “not exceeding”. A car at two years and eleven months falls in the 30% band. A month later the same car falls in the 40% band.

Note what the schedule does not do, because it makes no allowance for how you treated the car. A garage-kept hatchback with 18,000 km gets the same reduction as a sun-baked one with 90,000 km. That is one reason the figure can feel wrong to a careful owner.

What IDV should you choose for a 3-year-old car?

A car that has just turned three attracts a 30% reduction. So expect an IDV near 70% of the listed selling price. Once the car passes three years the reduction becomes 40%. On a listed price of ₹10,00,000 that single band change moves the IDV by ₹1,00,000.

A ₹10,00,000 car at the three-year boundary

So the renewal date decides a lakh of cover on this car. Someone renewing a few days before the car turns three keeps the higher band for a full year. Someone renewing a few days after does not.

That is worth knowing and worth not over-reading, since you cannot move the band by asking. The lower figure also brings a lower own-damage premium. So the question is whether the cover you lose outweighs the premium you save.

Sneha’s answer came from her loan rather than the car. With eighteen months outstanding, a theft at the lower figure leaves her short. She would repay a balance on a car she no longer has. She took the higher figure her quote allowed and accepted the premium with it.

How does your car’s IDV affect the premium and the claim?

Own damage is the part of the policy that pays to repair or replace your own car. That part of your premium is priced on the IDV. A higher figure costs more each year and pays more on a write-off. The third-party part does not move with it, since those rates are fixed by notification.

The relationship is close to proportional on the own-damage side. Raise the insured value by a tenth and that premium rises in step. The trade runs in both directions, and GST of 18% applies on the total either way.

Where people go wrong is treating the premium saving as free money. The saving is real and it arrives every year. The shortfall arrives once, in the worst month you will have with that car. It is many times larger.

A loan changes the sums more than anything else. A write-off can leave you repaying a balance on a car you no longer own. That gap is the number to insure against. Owners with no loan and savings behind them can take the lower figure with far less risk.

What else goes into your car’s IDV besides the vehicle?

Your policy schedule itemises the insured value instead of printing one number. The vehicle carries its own figure. Non-electrical accessories, electrical and electronic accessories, a trailer and a CNG or LPG kit each carry theirs. Those add up to the total value of the vehicle.

How the schedule breaks up the insured value

This matters when you have spent money after buying the car. A retro-fitted CNG kit or an upgraded sound system sits outside the listed price. Unless each one is declared and appears on that schedule, it is not inside your cover.

Factory-fitted equipment needs no separate line. It is already inside the listed selling price of the variant you bought. Those lines exist for what you added later, so check them at the renewal after you fit anything.

Can you change the IDV on your car insurance policy?

Zurich Kotak’s private car quotation screens carry a field to change the vehicle’s IDV. They show a system-generated figure alongside the final one. So the figure is adjustable at the point of quotation. How far it can move depends on underwriting, so take the range from your own quote.

Treat any band you read elsewhere with suspicion, because figures of a tenth either way circulate widely. They belong to whichever insurer published them. What your own quote allows is what applies to you.

The sensible way to use the field is to aim at replacement cost. Look at what your model with similar age and mileage is advertised for. Then set the figure near that, because a number far above it buys premium without payout. The settlement still works on the value agreed at inception.

Changing the figure belongs at purchase or renewal rather than mid-year. The policy fixes the insured value at the start of each policy period. A change of vehicle during the term is the one exception. The car coming on to the policy has its own value declared for it.

How is IDV set for a car over 5 years old or a discontinued model?

Past five years the published scale runs out. The policy says the figure is then determined by an understanding between the insurer and the insured. The same applies to models the manufacturer has stopped making. So it becomes a conversation instead of a calculation.

Discontinued models land in that bracket whatever their age. Cars from brands that have left the Indian market are the clearest cases. So is any variant pulled from a range that still sells. There is no listed selling price, since nobody lists the price of a car nobody makes.

That conversation is one you can come to prepared. Service history, odometer reading and condition all support a figure, and so does what comparable cars fetch. Owners who bring evidence tend to settle higher than owners who accept the first number.

The same applies to an imported car with no Indian listed selling price. The basis for the figure has to be agreed with the insurer at quotation stage. Ask how it was arrived at before you accept it, and get the answer printed on the schedule.

Imported replacement parts are a separate question from the value of an imported car. The IDV covers what the vehicle is insured for. What a specific imported part is worth comes up at claim stage. That falls under the policy’s own terms on parts and depreciation.

How does IDV work for a vintage car?

A vintage car can be insured under an agreed value clause, and it changes the settlement. On theft or a write-off the policy pays the IDV with no depreciation deducted at all. On a partial claim, depreciation on replaced parts still applies in the normal way.

That no-depreciation promise is the whole point of the clause. On an ordinary policy the write-off settlement is the insured value less what the wreck fetches. Under the agreed value clause the declared figure is what gets paid.

Getting there takes more work at quotation stage. A car of that age has no listed selling price and no useful band on the scale. The figure usually rests on a valuation, so expect the insurer to want evidence of condition and provenance.

The partial-claim half of the clause is the part owners miss. Replace a panel on a vintage car and the usual cuts still apply. Those follow the age and material of that part. The clause protects the write-off settlement and leaves ordinary repairs where they were.

What happens when the repair cost exceeds your car’s IDV?

Your car does not have to be unrepairable to be written off. Costs that pass 75% of the insured value make it a constructive total loss. The claim is then settled on the insured value less what the wreck is worth. You can agree to keep the wreck.

The sum takes a moment and is worth doing once, so multiply your insured value by 0.75. The answer is the repair bill above which your car stops being repaired. A car insured for ₹6,00,000 crosses that line at ₹4,50,000.

That line falls every year as the insured value falls. A crash repaired in year two can write the same car off in year five. The bill can be much the same, so older cars reach the line sooner than owners expect.

It also limits what a zero depreciation add-on can ever do for you. Above the line nothing is replaced, so there are no parts for the add-on to act on. On a car with a low insured value that window is narrower than the add-on’s price suggests.

How to set the right IDV on your car insurance

Set it at what replacing your car would cost you, and check the figure at every renewal. Look at what your model sells for at similar age and mileage. Compare that with the figure on your quote. If a write-off would leave you with a loan balance, insure against the balance.

Sneha’s renewal came down to a comparison she made in ten minutes. She found what three-year-old examples of her hatchback were advertised for in Pune. That sat close to the higher of the two figures she was offered. Her outstanding loan settled the rest.

Before you accept a renewal, read the insured value on the vehicle. Read the separate lines for anything you fitted after buying it. Then check the age band your car has just entered or is about to. The last one moves most in a single year.

Then do the one sum that matters. Seventy-five per cent of your insured value is the repair bill above which the car is written off. Knowing it tells you what your cover really does. Zurich Kotak General Insurance offers private car cover under its Car Secure policy. A quote shows the figure that applies to your own car.

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Frequently asked questions

What is IDV in car insurance?

Insured Declared Value is the sum insured on your policy. It is the most the insurer pays if the car is stolen or written off. The figure is set on the manufacturer’s listed selling price for your brand and model. It is then adjusted for the car’s age. It is fixed at the start of each policy period and resets at every renewal.

How is IDV calculated for a car?

Start from the manufacturer’s listed selling price for your variant, which leaves out registration and road tax. Subtract the percentage set for the car’s age. That runs from 5% under six months to 50% at five years. Add the declared value of anything you fitted after buying the car. The result is the figure on your schedule.

What IDV should I choose for a 3-year-old car?

A car that has just turned three attracts a 30% reduction. So expect an IDV near 70% of the listed selling price. Once it passes three years the reduction becomes 40%. On a ₹10,00,000 listed price that band change is worth ₹1,00,000. Your renewal date decides which figure applies for the year.

Does a higher IDV mean a higher premium?

Yes, on the own-damage part of the premium, which is priced on the insured value. The third-party part does not move with it, since those rates are fixed by notification. GST of 18% applies on the total either way.

Can I increase the IDV on my car insurance?

The private car quotation screens carry a field to change the vehicle’s IDV. They also show a system-generated figure alongside the final one. How far it can move depends on underwriting, so take the range from your own quote. Setting it far above what the car would fetch buys premium without buying payout.

Can IDV be changed in the middle of the policy year?

The policy fixes the insured value at the start of each policy period. So the place to set it is at purchase or at renewal. A change of vehicle during the term is the exception. The car coming on to the policy has its own insured value declared for it.

Are accessories included in the IDV?

Factory-fitted equipment is already inside the listed selling price of your variant. Anything fitted afterwards needs declaring, and the schedule carries separate lines for non-electrical and electrical accessories. A trailer and a CNG or LPG kit get their own lines too. An undeclared accessory is outside your cover.

How is IDV decided for a car older than 5 years?

The published scale stops at five years. Past that the policy says the figure is determined by an understanding between the insurer and the insured. The same applies to models the manufacturer has discontinued. Service history, odometer reading and what comparable cars are advertised for all support the figure you ask for.

How does IDV work for a vintage car?

A vintage car can be insured under an agreed value clause. On theft or a write-off it pays the IDV with no depreciation deducted. On a partial claim, depreciation on replaced parts applies as usual. The figure normally rests on a valuation, so expect the insurer to want evidence of condition first.

What if my car’s repair cost exceeds its IDV?

Costs that pass 75% of the insured value make the car a constructive total loss. The claim is settled on the insured value less what the wreck is worth. You can agree to keep the wreck, which reduces the settlement by its value.

Can my claim be more than the IDV?

No. The insured value is the ceiling on a theft or write-off claim. What the car would cost to replace makes no difference. That is why the figure is worth checking at renewal instead of accepting whatever the quote defaults to.

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