What Is IDV in Car Insurance — And Why Getting It Wrong Costs You

Every time your car insurance comes up for renewal, there's a number sitting in the fine print that determines how much you'd receive if your car were totalled or stolen. Most people have never noticed it. Some people actively set it lower to save money on premium. Both of these are mistakes.
IDV — Insured Declared Value — is the maximum amount your insurer will pay you in a total loss or theft claim. Not the market value of the car as you estimate it. Not the price you paid for it. The specific, declared-at-renewal number sitting in your policy schedule.
How IDV Is Calculated
IDV is based on the manufacturer's listed price for the car model, minus depreciation applied according to a standard schedule.
Beyond 5 years, IDV is negotiated between insurer and policyholder based on mutual assessment.
So a Maruti Brezza with an ex-showroom price of ₹13 lakh, at 2 years old: IDV approximately ₹13 lakh × 80% = ₹10.4 lakh. At 3 years: ₹13 lakh × 70% = ₹9.1 lakh.
Insurers use the manufacturer's listed price, not what you actually paid after negotiation or on-road charges. Accessories and modifications not listed in the standard price should be declared separately and added to IDV — otherwise they're uncovered.
What Happens If Your IDV Is Too Low
This is where the problem bites.
Imagine your 3-year-old car has an IDV of ₹8 lakh, set deliberately low at renewal to save ₹400 in premium. A major accident renders it a total loss (defined as repair costs exceeding 75% of IDV). The insurer pays you ₹8 lakh — minus your deductible. Your car's actual replacement cost for a comparable used car in the same condition: ₹11 lakh.
That ₹3 lakh gap comes from your savings. You paid lower premium for three years — saving maybe ₹1,200 total — and absorbed ₹3 lakh in undercompensation at claim time.
The math on deliberately setting a low IDV almost never works out in the owner's favour.
What Happens If Your IDV Is Too High
Setting IDV unrealistically high increases your premium without benefit. The insurer won't pay above the actual market value of the car at time of loss regardless of the IDV stated in the policy — they'll settle at whichever is lower.
So inflated IDV costs you more in premium without increasing your claim payout. It's not a strategy that helps.
The goal is an IDV that accurately reflects current market value — the realistic price you'd get selling the car privately or trading it in. This gives you fair premium and fair claim settlement.
How to Set IDV Correctly at Renewal
Don't just accept the default that appears on your renewal quote. Insurers will often provide a range within the depreciated calculation — you can set IDV higher or lower within that range. Take five minutes to check:
1. Current market listings
Search platforms like CarDekho, Spinny, or Cars24 for the same car, similar year and variant, in your region. What are comparable used cars actually selling for? That's your reference point.
2. Factor in condition and mileage
A well-maintained car with low mileage is worth more than the depreciation schedule implies. You can reasonably set IDV at the upper end of the insurer's permitted range.
3. Include accessories
If you've added accessories not in the standard car (upgraded music system, alloy wheels, sun roof, CNG kit), declare these separately. They add to IDV and require their own coverage — and they're excluded from the claim if not declared.
IDV for Older Cars — Where It Gets Interesting
For cars above 5 years, the standard depreciation schedule no longer applies. IDV is assessed by mutual agreement between you and the insurer. Some insurers use surveyor assessments; others use standard industry guides.
For older cars — particularly well-maintained premium vehicles that hold their value better than standard depreciation implies — it's worth pushing back on a low IDV assessment. Bring evidence of comparable market listings if the insurer's suggested IDV seems below actual market value.
The reverse is also true: a very old car in average condition might have an IDV below ₹1.5–2 lakh. At that point, whether comprehensive insurance (which is what IDV applies to) is cost-effective becomes a genuine question. Some owners of very old cars switch to third-party-only to save premium when the IDV is so low that the own-damage cover provides minimal value.
IDV vs Invoice Price: Return to Invoice Add-On
A new car's IDV is typically 5–15% below its purchase price (on-road, with registration and insurance) from the moment it drives out of the showroom. Depreciation applies immediately.
If your new car is stolen or totalled in the first 1–2 years, the IDV payout is less than what you paid for the car. The gap can be ₹1–3 lakh on mid-segment vehicles.
Return to Invoice (RTI) is an add-on that changes this. With RTI, the payout in a total loss or theft is the original invoice amount — not the depreciated IDV. For cars in their first 2–3 years, this add-on covers a real and meaningful gap.
One Practical Thing to Do Before Your Next Renewal
When the renewal notification arrives, pull up your current policy schedule. Find the IDV number. Check it against current market prices for your car on one used car platform. If the numbers are significantly different — especially if your current IDV is well below market — contact your broker or insurer and discuss adjustment before paying.
This five-minute check can be worth lakhs at claim time. It's one of those things that costs nothing until it costs everything.
For motor insurance renewal with correct IDV assessment, call Policywings at +91-98111-67809.
Policywings Insurance Broking Pvt. Ltd. | IRDAI License No. DB 835 | A-57, 5th Floor, Sector-136, Noida | +91-98111-67809












