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How Accident History Affects a Used Car’s Value

Radon Pascuale
Radon PascualeAutomotive writer · Updated: December 8, 2025
How Accident History Affects a Used Car’s Value

An accident can affect a car’s resale value, but the extent depends on the damage, repairs and the vehicle’s overall history. This guide explains the factors to assess and why a fixed percentage deduction is rarely reliable.

Take a repaired 2019 Hyundai Ioniq Blue as an example of a seller’s concerns. That example illustrates questions buyers may ask; forum opinions are not a valuation method for another vehicle.

Understanding the Impact of a Previous Accident

When selling a used car, it's important to understand how its history can impact its value. A previous accident, for instance, can significantly reduce the car's value. This is especially true for serious accidents that required extensive repairs. In a Reddit thread, a user shared his experience with a 2019 Hyundai Ioniq Blue that had been in a serious accident. Despite the car looking and driving the same after repairs, the user was concerned about how much the accident would reduce the car's value when selling it.

Offers from dealers and private buyers may differ because their costs, requirements and tolerance for risk differ. Do not assume that one type of buyer will disregard accident damage.

Differing Opinions on Accident History

A repaired vehicle and a vehicle with a branded or rebuilt title are not necessarily the same situation. Buyers may view them differently. An accident’s effect on value depends on the vehicle and market, rather than a universal five- or ten-year rule.

However, it's important to note that these are just opinions. The actual impact on a car's value can vary depending on many factors, including the severity of the accident, the quality of the repairs, and the car's make and model. For more insights on this, check out our blog post on the top 10 best aging used cars.

The Role of carVertical Reports

Car history reports may show recorded damage and help buyers decide what to investigate. They do not guarantee that every accident appears, establish the quality of repairs or replace an independent valuation and inspection.

For more information on carVertical and how to use it, check out our carVertical review and our guide to VIN decoders.

Estimating the Value Reduction

The original discussion mentioned reductions of 20% to 50%, but those figures were individual opinions rather than a reliable pricing rule. Compare relevant vehicles and obtain an appraisal that considers damage severity, repair evidence, title status and local demand.

For more information on how mileage can impact a car's value, check out our blog post on decoding the mileage impact on older cars' value.

Conclusion

Understanding how a previous accident can affect a used car's value is crucial when selling or buying a used car. While a previous accident can reduce a car's value, the actual reduction can vary depending on many factors. Car history reports, such as those provided by carVertical, can provide valuable information about a car's past and help determine its value post-accident.

For related buying and selling guides, visit our blog or return to the homepage to compare vehicle history services.

Frequently Asked Questions

How to calculate depreciation value of a car after an accident?

The depreciation value of a car after an accident can be calculated by comparing the car's value before the accident and its current value. This can be done using online tools or by consulting with a professional appraiser. Factors such as the extent of the damage, the quality of the repairs, and the car's make and model will all affect the depreciation value.

Can a Carfax Report Help Assess Accident History?

A Carfax report can help identify recorded accident information relevant to a valuation. A Carfax report is not proof that every accident has been disclosed, and it does not by itself establish the car’s market value or repair quality.

What affects the resale value of a car the most?

Several factors can affect the resale value of a car. These include the car's age, mileage, condition, and history (including accidents and maintenance). The make and model of the car, as well as the demand for that particular car, can also significantly impact its resale value. Additionally, factors such as the color of the car and the availability of certain features or options can also affect its resale value.

What causes a car to lose value?

Cars can lose value due to a variety of factors. Depreciation is a major factor, with cars typically losing value over time simply due to age. High mileage can also cause a car to lose value, as can poor maintenance or lack of servicing. Accidents and damage to the car can significantly reduce its value, especially if the damage is severe or if the car has been written off and then repaired. Other factors that can cause a car to lose value include changes in market demand, changes in fuel prices (which can affect the value of certain types of cars), and the release of new models.

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