Buying & Selling

Understanding Vehicle History Reports

What CarFax and similar reports tell you—and what they don't.

4 min read3 sections

1What Reports Include

Vehicle history reports compile data from various sources.

  • Title history (clean, salvage, rebuilt)
  • Reported accidents through insurance
  • Service records from participating shops
  • Odometer readings at various points
  • Registration history and location
  • Lien information

2What Reports Miss

Reports have significant gaps.

  • Accidents paid out-of-pocket (not reported)
  • Mechanical problems
  • Private-party repairs
  • Shops that don't report to databases
  • Flood damage if not totaled
  • Odometer rollback if done carefully

3How to Use Reports

A clean report is good but not sufficient. Use it as one piece of the puzzle. Always get a physical inspection—reports can't see what's actually wrong with the car today.

Pro Tip: Run reports from multiple providers. Different databases have different information.

Key Takeaways

  • 1Clean report doesn't mean no problems
  • 2Reports miss cash-paid repairs
  • 3Use as one tool, not the only tool
  • 4Physical inspection is still essential

Need personalized help?

Connect with a certified mechanic who can answer questions specific to your vehicle.

Ask a Mechanic