How to Calculate IDV (Insured Declared Value) for Your Vehicle in 2026 — Complete Guide

You just bought a car for ₹12 lakhs. Three years later, it is stolen. You file a claim expecting a fair payout — but the insurer offers you ₹5.8 lakhs. You are shocked. You thought your car was worth more.

The gap between what you expect and what you receive often comes down to one critical concept: **IDV (Insured Declared Value)**.

Understanding how IDV is calculated can save you from nasty surprises at claim time. In this complete 2026 guide, we break down exactly how IDV works, how to calculate it yourself, and how to ensure you get the right coverage for your vehicle.

What Is IDV in Motor Insurance?

IDV stands for **Insured Declared Value**. It is the current market value of your vehicle — the maximum sum your insurance company will pay if your car or bike is **stolen** or **totaled beyond repair** (total loss).

In simple terms:

**IDV = Your vehicle's current market value after depreciation**

When you buy or renew motor insurance, you and the insurer agree on an IDV. This value directly affects your premium:

• **Higher IDV** → Higher premium, but better claim payout
• **Lower IDV** → Lower premium, but inadequate claim coverage

Getting the IDV right is crucial. Set it too low, and you will be under-insured. Set it too high, and you will pay extra premium for coverage you cannot fully claim.

How Is IDV Calculated? The Depreciation Formula

IRDAI (Insurance Regulatory and Development Authority of India) has standardized depreciation rates for calculating IDV. The formula is straightforward:

**IDV = (Ex-Showroom Price − Depreciation) + (Accessories Value − Depreciation on Accessories)**

Standard Depreciation Rates (as per IRDAI)

For Vehicles Older Than 5 Years

For vehicles older than 5 years, IDV is **not calculated using a fixed formula**. Instead, it is determined by:

1. **Mutual agreement** between you and the insurer
2. **Surveyor assessment** — a professional evaluates the vehicle's condition
3. **Market value** of similar vehicles in your area

The IDV for such vehicles is typically between **40% and 60%** of the ex-showroom price, depending on the vehicle's condition, brand, and demand.

IDV Calculation Examples

Example 1: New Car (3 months old)

• Ex-showroom price: ₹10,00,000
• Age: 3 months (depreciation: 5%)
• IDV = ₹10,00,000 − (5% of ₹10,00,000) = **₹9,50,000**

Example 2: Car (2.5 years old)

• Ex-showroom price: ₹10,00,000
• Age: 2.5 years (depreciation: 30%)
• IDV = ₹10,00,000 − (30% of ₹10,00,000) = **₹7,00,000**

Example 3: Car (4 years old)

• Ex-showroom price: ₹10,00,000
• Age: 4 years (depreciation: 40%)
• IDV = ₹10,00,000 − (40% of ₹10,00,000) = **₹6,00,000**

Example 4: Bike (1.5 years old)

• Ex-showroom price: ₹1,80,000
• Age: 1.5 years (depreciation: 20%)
• IDV = ₹1,80,000 − (20% of ₹1,80,000) = **₹1,44,000**

What About Accessories and Fittings?

If you have added accessories to your car (alloy wheels, music system, leather seats, CNG kit, etc.), their value is **separately declared** and added to the IDV.

However, accessories are depreciated at a different rate:

• **Factory-fitted accessories**: Depreciated at the same rate as the vehicle
• **After-market accessories**: Depreciated at **50%** regardless of age

Example with Accessories

• Car ex-showroom: ₹10,00,000
• After-market accessories: ₹50,000
• Vehicle age: 2 years (30% depreciation)

IDV = (₹10,00,000 − 30%) + (₹50,000 − 50%) IDV = ₹7,00,000 + ₹25,000 = **₹7,25,000**

Why IDV Matters More Than You Think

1. Claim Settlement Amount

In case of total loss or theft, the insurer pays the **IDV minus deductibles**. If your IDV is set too low, you will receive less than your vehicle's actual worth.

2. Premium Calculation

Your motor insurance premium is calculated as a percentage of IDV:

• **Own Damage Premium** = IDV × Premium Rate (typically 2-4%)
• Lower IDV means lower premium, but also lower coverage

3. Under-Insurance Penalty

If your IDV is significantly lower than the actual market value, insurers may apply **under-insurance penalties** during claims. This means even for partial damage claims, your payout could be proportionally reduced.

4. Over-Insurance Is Useless

Setting an IDV higher than the vehicle's market value will **not** get you a higher payout. The insurer will only pay up to the actual market value at the time of loss. You will simply be paying extra premium for no benefit.

How to Find the Correct IDV for Your Vehicle

Method 1: Use Online IDV Calculators

Several websites offer free IDV calculators on your insurer's website and insurance comparison portals. Use the IRDAI-prescribed depreciation table for the most accurate figure.

Method 2: Check Your Previous Policy

Your last insurance policy document shows the IDV that was declared. Use it as a reference point and adjust for the current year's depreciation.

Method 3: Get a Surveyor's Assessment

For vehicles older than 5 years, get a professional surveyor to assess your vehicle's current market value. This gives you the most accurate IDV.

Method 4: Check Resale Market Prices

Look at similar vehicles on platforms like OLX, Cars24, Spinny, or BikeWale (for two-wheelers). The average resale price of similar vehicles gives you a realistic IDV estimate.

Common Mistakes to Avoid

Mistake 1: Setting IDV Too Low to Save Premium

Many vehicle owners deliberately reduce their IDV to lower the premium. This is a false economy. The small premium savings are dwarfed by the massive loss you face during a claim.

**Example**: Reducing IDV from ₹7,00,000 to ₹5,00,000 might save you ₹3,000-5,000 in annual premium. But if your car is stolen, you lose ₹2,00,000 in claim amount.

Mistake 2: Setting IDV at Ex-Showroom Price

Some people set the IDV at the original ex-showroom price, ignoring depreciation. Insurers will not honor this. You will pay higher premiums but still receive only the depreciated value.

Mistake 3: Ignoring Accessories

If you have invested in after-market accessories, failing to declare them means you will not be compensated for those additions during a claim.

Mistake 4: Not Updating IDV at Renewal

Every year, your vehicle depreciates. If you keep the same IDV for multiple years, you are either over-insured or under-insured. Always recalculate IDV at renewal.

IDV for Electric Vehicles (EVs)

Electric vehicles have a slightly different depreciation pattern:

• **Battery cost** accounts for 40-50% of an EV's value
• Battery degradation affects IDV more than engine wear in ICE vehicles
• IRDAI is still evolving guidelines for EV depreciation

For EVs, it is especially important to get a professional assessment for IDV, as standard depreciation tables may not accurately reflect the battery's remaining life and value.

IDV and Total Loss Claims: What Happens?

When your vehicle is declared a total loss (repair cost exceeds 75% of IDV), the insurer pays:

**Claim Amount = IDV − Salvage Value − Deductibles**

Salvage Value

The salvage value is the scrap value of your damaged vehicle. Insurers typically deduct 1-5% of IDV as salvage value.

Compulsory Deductible

As per IRDAI, a compulsory deductible applies:

• For cars up to 1500cc: ₹1,000
• For cars above 1500cc: ₹2,000
• For two-wheelers: ₹100

Example: Total Loss Claim

• IDV: ₹7,00,000
• Salvage value: ₹35,000 (5%)
• Compulsory deductible: ₹2,000
• **Claim payout: ₹6,63,000**

Tips to Optimize Your IDV

1. **Be honest and accurate**: Declare the correct IDV based on actual market value
2. **Include accessories**: Always declare after-market additions separately
3. **Review annually**: Recalculate IDV every year at renewal
4. **Compare insurers**: Different insurers may offer different IDVs for the same vehicle
5. **Negotiate for older vehicles**: For vehicles older than 5 years, negotiate the IDV based on condition
6. **Keep documentation**: Maintain records of your vehicle's condition, service history, and any upgrades

Frequently Asked Questions

Can I choose my own IDV?

Yes, you can choose an IDV within a range set by the insurer. Most insurers allow you to select an IDV within ±10% of the calculated value. However, deviating too far from the standard calculation may affect your claim settlement.

Is IDV the same as resale value?

Not exactly. IDV is based on IRDAI's depreciation schedule, while resale value depends on market demand, vehicle condition, and location. They are usually close but not identical.

What happens if I under-declare IDV?

If you under-declare IDV, you will pay a lower premium, but your claim payout will also be lower. Additionally, for partial damage claims, the insurer may apply the "average clause" — reducing your payout proportionally to the under-insurance.

Does IDV affect third-party insurance?

No. Third-party insurance premiums are fixed by IRDAI based on vehicle type and engine capacity. IDV only affects the Own Damage (OD) component of your policy.

How is IDV different from sum insured?

In motor insurance, IDV and sum insured are essentially the same thing. In other insurance types (health, life), the concept is called "sum insured." In motor insurance, it is specifically called IDV because it represents the declared market value of the vehicle.

The Bottom Line

IDV is not just a number on your insurance policy — it is the foundation of your financial protection. Setting the right IDV ensures that:

• You pay a fair premium for adequate coverage
• You receive a fair claim amount if your vehicle is stolen or totaled
• You avoid disputes with your insurer during claims

Take 10 minutes to calculate your vehicle's correct IDV before your next renewal. It could save you lakhs of rupees when you need it most.

**Need help with your motor insurance?** Our experts at Insurance Support can guide you on IDV calculation, policy selection, and claim support. [Contact us today](/contact) for a free consultation.