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How to file a diminished value claim

Diminished Value Claims in Colorado

If you’re dealing with a diminished value claim in Colorado, you’re likely seeking reimbursement for the loss in market value your vehicle suffers after an accident—even if it’s been fully restored. Colorado law permits these claims against the at-fault driver’s insurance provider, not your own policy. These claims are especially important when resale value is critical. Whether the vehicle is leased or owned, the impact on future trade-in or sale prices can be significant. The statute of limitations is two years from the date of the incident.

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What Is a Diminished Value Claim?

A diminished value claim compensates you for the difference in your vehicle’s market value before and after an accident. While repairs may restore functionality and appearance, the mere fact that a vehicle has a collision history can cause a noticeable drop in resale or trade-in value. Even luxury or newer vehicles often see a significant dip in market perception after being involved in an accident. In Colorado, these claims are valid only when the other party is at fault, meaning you must file against their liability insurance, not your own. Knowing this distinction is vital when pursuing compensation.

Types of Diminished Value Claims in Colorado

Inherent Diminished Value

This is the most prevalent type. It refers to the loss in value due to the vehicle’s accident history, regardless of how well it was repaired.

Repair-Related Diminished Value 

This occurs when the repair work is substandard or when aftermarket or non-OEM parts are used, which can further reduce a vehicle’s resale potential.

Immediate Diminished Value 

This is the difference in market value immediately after the crash but before any repairs have taken place. It’s especially relevant when resale is delayed for inspection or legal action.

How to File a Diminished Value Claim in Colorado

Gather Documentation 

Collect the following:

  • Police or accident report
  • Repair receipts
  • Photographs before and after repairs

Obtain an Appraisal 

Hire a certified appraiser to determine your car’s pre- and post-accident value.

Contact the At-Fault Insurance Company 

Initiate the claim directly with the liable party’s insurer, not your own.

Negotiate the Settlement 

Be firm, clear, and prepared with documentation to support your valuation.

File a Lawsuit if Necessary 

If negotiations fail, consult a Colorado personal injury attorney to take legal action.

Calculating Diminished Value: A Step-by-Step Guide

Determining the exact amount of diminished value requires a structured, evidence-based approach. Many insurers rely on variations of the 17c Diminished Value Formula to estimate the loss.

Step 1: Determine the Value of Your Car

The first step is assessing the car’s pre-accident market value using sources like Kelley Blue Book, NADA, or dealership appraisals. These references help establish a fair baseline.

Step 2: Apply a 10% Cap to That Value

Many insurers limit the total diminished value compensation to 10%. This means the most an insurer may consider for reimbursement is typically 10% of the vehicle’s pre-accident market value. However, this figure can vary depending on the insurance company’s evaluation process.

Step 3: Apply a Damage Multiplier

The extent of damage significantly affects the diminished value claim. Insurers apply a damage multiplier based on severity:

  • 1.00 – Severe structural damage
  • 0.75 – Major damage
  • 0.50 – Moderate damage
  • 0.25 – Minor damage
  • 0.00 – No structural damage

Step 4: Apply a Mileage Multiplier

Mileage impacts a vehicle’s resale value. A low-mileage car retains more value, whereas high mileage results in a lower claim amount. Common mileage multipliers include:

  • 1.00 – Under 20,000 miles
  • 0.80 – 20,000 to 39,999 miles
  • 0.60 – 40,000 to 59,999 miles
  • 0.40 – 60,000 to 79,999 miles
  • 0.20 – 80,000 to 99,999 miles
  • 0.00 – Over 100,000 miles

Contact a Colorado Personal Injury Lawyer

When Should You File a Diminished Value Claim?

Timing can significantly impact how to file a diminished value claim successfully. Acting promptly strengthens your case. Consider filing in these situations:

  • Immediately after repairs: Once repairs are completed, assess the car’s post-accident value to determine any loss.
  • Before selling or trading the vehicle, Filing beforehand ensures you don’t personally absorb the loss and helps negotiate a better price.
  • If the vehicle suffered major structural damage, the severity of the damage generally results in a stronger claim with greater potential compensation.
  • Before the three-year statute of limitations expires: Waiting too long can jeopardize your ability to recover compensation and strengthen your case.

Important Considerations

Statute of Limitations

You have two years from the date of the accident to initiate your diminished value claim in Colorado.

Evidence

Strong documentation, including:

  • Vehicle history reports
  • Appraisals
  • Mechanic statements

Negotiation

Expect pushback from insurers. Be persistent and consider a demand letter.

Professional Assistance

Enlisting a Denver personal injury attorney or a diminished value expert greatly improves your chance of success.

Frequently Asked Questions

Is Filing a Diminished Value Claim Worth It?

Yes. If another driver caused the accident, filing a claim can help offset financial losses when selling or trading in your vehicle, ensuring the depreciation does not unfairly burden you. Seeking compensation can be crucial in protecting your investment and financial stability.

Do All Car Insurance Companies Accept Diminished Value Claims?

Not necessarily. Colorado allows third-party diminished value claims, but first-party claims depend on specific insurance policies and whether diminished value coverage is included. Reviewing your policy and seeking legal advice can clarify your rights and options.

Are Insurance Companies Required to Pay for Diminished Value Claims?

Not necessarily. While Colorado law recognizes third-party diminished value claims, insurance companies may dispute the payout amount or eligibility. 

Get the Compensation You Deserve – Contact Dormer Harpring

Understanding how to file a diminished value claim can be overwhelming, especially when dealing with insurance companies that may try to minimize payouts. If you’re seeking assistance filing a claim in Denver or throughout Colorado, our car accident attorneys at Dormer Harpring are here to guide you through the process and help maximize your compensation under the law.  Contact us today at (303) 747-4404 to discuss your case.

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Sean Dormer

Denver Personal Injury Attorney
Fighting for Justice, Winning Against the Odds

Sean Dormer has built his career on standing up to powerful corporations and insurance companies to get justice for the injured. With a relentless trial-focused approach, he has secured multi-million-dollar verdicts and settlements for clients who were turned away by other firms. His expertise has led him to speak at statewide legal conferences and advocate for fairer personal injury laws in Colorado.

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This page has been written, edited, and reviewed by a team of legal writers following our comprehensive editorial guidelines. This page was approved by attorney, K.C. Harpring, a Denver personal injury attorney with extensive legal expertise.