How to Calculate Vehicle Depreciation From Damage

A car accident can have many unfortunate consequences, whether you are rear-ended by a driver using his cell phone or at fault in a head-on collision. Even after insurance claims and bills for car repair, you can expect another longer lasting financial consequence: the value of your car will depreciate. In theory, a vehicle can be brought back to its original market value with proper repairs. But the fact is, even with perfect repairs, a car is not worth what it was before it was crashed. This subjective depreciation is called diminished value. Diminished value can be approximated in several ways.

  • Determine the pre-accident value of the vehicle. This can be done using a car value resource, such as the Kelley Blue Book.

  • Hire a professional to repair the damaged vehicle. Ask the professional for an estimate of the effect of the damage on the value of the car.

  • Consider factors that determine the extent of the diminished value of a repaired vehicle. These include the year, make, model, pre-accident condition, type of accident, and the extent of the damage to the vehicle. The pre-accident value can be diminished by as much as 18 percent.

  • Take the vehicle to a dealership to determine its trade-in value. Keep in mind that the trade-in value will be lower than the secondary market value of the vehicle.

  • Hire a professional to appraise the diminished value of the vehicle post accident and repair.