Verify both sides of the comparison
Start with the loss vehicle. Check the report against an odometer photo, service invoice near the loss date, inspection record, or claim file. Then open each comparable listing and confirm its mileage. Dealer feeds, listing pages, and report summaries can disagree. Save the source and date.
If the loss happened between services, use the best dated record and explain any estimate. Do not quietly substitute today's mileage for the pre-loss reading.
Check the direction before the rate
Suppose your car had 40,000 miles and a comparable had 55,000. All else equal, the higher-mileage comparable needs an upward adjustment to estimate what it would indicate for your lower-mileage car. If the comparable had 25,000 miles, the adjustment would normally move the other way. This direction check catches many reading errors before you debate the size of the adjustment.
Do not assume one dollars-per-mile number
Mileage does not affect every vehicle at a fixed universal rate. The market reaction can change with vehicle age, segment, warranty status, mileage bands, and current supply. A ten-thousand-mile difference on a nearly new luxury vehicle may not behave like the same difference on a fifteen-year-old commuter car.
Ask whether the report applies a stated rate, a market-derived curve, or another method. If the method is not visible, ask the insurer for enough explanation to understand how the adjustment was calculated.
Work one line from start to finish
| Item | Fictional example | Audit question |
|---|---|---|
| Comparable list price | $24,500 | Does this match the source listing? |
| Comparable mileage | 58,000 | Can the dealer or listing confirm it? |
| Loss vehicle mileage | 43,000 | Does the claim file support it? |
| Mileage adjustment | +$600 | Is the direction sensible, and what supports the amount? |
| Value after mileage only | $25,100 | Does the report's arithmetic match? |
The numbers are fictional and do not suggest a proper rate for any vehicle or claim.
Look for consistency across the report
Compare how the report treats similar mileage gaps. Differences may be legitimate, especially when vehicles vary in age or equipment, but they should not be ignored. Also check that a later report version did not change an odometer or rate without explanation.
How to challenge the adjustment
Identify the exact mileage input or calculation you question. Attach the source that proves a corrected odometer. If the input is right but the method is unclear, ask for the calculation basis and a written explanation. Then tie the issue to the final adjusted value in your counteroffer.
Mileage cannot rescue a fundamentally weak match. Review the trim, drivetrain, condition, location, and listing status before treating a mileage-adjusted vehicle as sound.
Sources and limits
- CCC Intelligent Solutions, Claims Valuation
- Texas Department of Insurance, auto insurance consumer rights
The applicable report method, vehicle market, policy, evidence, and state rules control. This guide does not prescribe a universal mileage rate.