VEHICLE DEPRECIATION AND ACTUARIAL CALCULATIONS

Entrance

Traffic accidents not only cause material damage to vehicles; they also reduce their resale value. Even if a vehicle is repaired, it may be sold at a lower price due to its "accident" history. This decrease is defined in law vehicle depreciation .

According to the provisions of the Turkish Code of Obligations and the Highway Traffic Law, the insurer or vehicle owner of the at-fault party is obligated to compensate the other party for this decrease in value. However, this loss be calculated using scientific methods . This is where actuarial science comes into play.

What is vehicle depreciation?

• Definition: The difference between a vehicle's market value before and after an accident.

• Feature: Even after repairs, the vehicle fetches a lower price in the used car market due to its "accident" status.

• Legal Nature : According to Supreme Court rulings, vehicle depreciation is an item that can be compensated within the scope of material damages

What is Actuarial Science?

• Actuarial scienceis a branch of science that combines the disciplines of mathematics, statistics, economics, and law.

• In Turkey, it is particularly insurance law and compensation calculations .

• Actuaries are appointed by courts expert witnesses and calculate compensation amounts using scientific methods.

Actuarial Methods in Vehicle Depreciation Calculation

1. Vehicle Age and Mileage

   • The rate of depreciation decreases as the age of the vehicle increases.

   • In high-mileage vehicles, the loss is considered to be more limited.

2. Nature of the Damage

   • The number of parts replaced on the vehicle, the nature of the repair, and the paintwork are all taken into consideration.

   • Damage to critical parts such as the chassis, pillars, and engine block leads to a greater loss in value.

3. Market Value

   • The pre-accident market value of the vehicle is determined based on current market rates.

   • Advertisement websites, appraisal reports, and insurance company records are taken into consideration.

4. Mathematical Formulas

   • In the practice of the Insurance Arbitration Commission and the Court of Cassation, actuarial calculations are performed using specific coefficients.

   • The "vehicle depreciation formula" mathematically calculates the total impact of damaged parts.

Legal Basis

• Turkish Code of Obligations (Articles 49 et seq.): Tort liability.

• Highway Traffic Law (Articles 90 et seq.): Compensation for damages under compulsory financial liability insurance.

• Supreme Court precedentsconsistently emphasize that vehicle depreciation constitutes a compensable material loss.

For example, 2016/7634 E., 2018/10562 K. , the 17th Civil Chamber of the Supreme Court of Appeals ruled that vehicle depreciation is an item of damage covered by insurance and should be compensated.

Vehicle Depreciation Claim Requirements

1. Accident and Fault

   • The faulty vehicle must have caused the accident.

   • The degree of fault is determined by an expert report.

2. Damage and Repair

   • The vehicle must have damage that will result in a decrease in its value.

   • Simple scratches and minor damage are generally not considered a loss in value.

3. Right to Claim

   • The vehicle owner or insurance company can claim compensation for the decrease in value from the party at fault.

   • Under mandatory financial liability insurance, the insurer is liable.

Diminution in Value Claims and Actuarial Reports

Courts typically request actuarial expert reports in vehicle depreciation cases

• The report compares the vehicle's value before and after the accident.

• The loss due to repaired parts is calculated using market research and mathematical coefficients.

• The judge takes the report into consideration and awards compensation.

Problems Encountered in Practice

• Insurance Companies' Resistance: Insurers generally underestimate the cost of diminished value claims.

• Expert Inconsistencies: Different experts may use different methods for calculations.

• Vehicle Age Limit: In some of its rulings, the Supreme Court has stated that the depreciation in value of very old vehicles will be limited.

• Second Accident and Depreciation: If the vehicle has been involved in a previous accident, the additional impact of a new accident may be debatable.

Conclusion

Vehicle depreciation a recoverable damage . To accurately calculate this loss, actuarial science is employed, and objective and scientific reports are prepared by expert witnesses and submitted to the courts.

Actuarial reports are crucial for both preventing vehicle owners from suffering losses and ensuring insurance companies fulfill their obligations correctly .

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