What Carfax Does and What It Costs
Carfax is a private company that collects and sells vehicle history reports. When you enter a vehicle identification number (VIN), Carfax searches its database for records tied to that car — accident reports, title transfers, service records, odometer readings, and recalls. The report shows you what Carfax has found, not a complete history of everything that ever happened to the car.
A single Carfax report costs money. As of now, one report runs around $25 to $30, though the price varies. Carfax also sells packages: five reports for roughly $40 to $50, or unlimited reports for a month at a higher price. You pay by credit card on their website.
The key limitation: Carfax only knows what it has been told. If an accident was never reported to insurance, never went through a body shop that reported it, and never appeared in police records, Carfax will not know about it. A clean Carfax report does not mean the car has never been damaged — it means Carfax has no record of damage.
Key Takeaways
- Carfax charges per report, usually $25 to $30 for a single vehicle history, though package deals are available at lower per-report costs.
- The report shows accident history, title records, service records, and odometer readings that Carfax has collected from insurance companies, repair shops, and DMV records.
- A clean Carfax report does not may provide the car has never been damaged — it only means Carfax has no record of reported damage.
- You enter the VIN on Carfax.com, pay by credit card, and receive the report when ready on screen and by email.
- Before buying a used car, also have a mechanic inspect it in person, because Carfax does not catch mechanical problems or unreported accidents.
How to Find and Enter the VIN
The VIN is a 17-character code unique to each vehicle. You can find it in three places: on the driver's side of the dashboard (visible through the windshield from outside), on the driver's side door jamb (open the door and look at the frame), or on the vehicle title or registration document.
Once you have the VIN, go to Carfax.com. At the top of the page, you will see a search box labeled "Enter VIN or License Plate". Type or paste the 17-character VIN into that box and click the search button. Carfax will show you a preview of what the report contains — accident history, service records, title information — before you pay.
If you do not have the VIN yet (for example, you are looking at a car at a dealer), ask the seller for it. They are required to provide it. Write it down carefully, because a single wrong digit will pull up a different vehicle's history.
What Information Appears in a Carfax Report
A Carfax report is organized into sections. The accident and damage history section shows reported collisions, fire damage, flood damage, and other incidents. Each entry includes the date, the type of damage, and sometimes the severity (minor, moderate, severe). This section is what most buyers focus on.
The title and ownership section lists how many owners the car has had, when each owned it, and whether the title is clean, salvage, rebuilt, or branded (meaning the car was declared a total loss by insurance at some point). A salvage or rebuilt title means the car was once considered too damaged to repair economically, then was repaired and resold.
The service and repair history section shows records from repair shops and dealerships that reported work to Carfax. This might include routine maintenance (oil changes, tire rotations) or major repairs (transmission work, engine problems). Not all shops report to Carfax, so an absence of service records does not mean the car was never serviced.
The odometer readings section tracks mileage reported at various points — when the car was serviced, when it changed hands, when it was in an accident. A sudden drop in mileage or a jump that seems too large for the time elapsed can signal odometer fraud, though Carfax will flag this if it detects it.
How to Read Red Flags in a Carfax Report
A salvage or rebuilt title is the most serious red flag. It means the car was declared a total loss by an insurance company. Rebuilt titles are legal to own and drive, but the car may have structural damage, electrical problems, or other issues that are hard to spot. Insurance premiums are usually higher for rebuilt-title vehicles, and resale value drops significantly.
Multiple accidents in a short time, or a single severe accident, suggests the car may have hidden damage. Even after repairs, structural damage can cause alignment problems, electrical gremlins, or suspension issues that show up months later. This is why a mechanic inspection is essential — Carfax shows you what was reported, but not whether the repairs were done correctly.
Title brands other than clean (such as "lemon law buyback," "flood," or "fire") indicate specific problems. A flood-branded car may have water damage in the engine, electrical system, or interior that causes problems long after the car dries out. A lemon law buyback means the manufacturer repurchased the car because it had persistent defects the dealer could not fix.
A gap in service records or a sudden jump in mileage can be normal — not all repairs are reported, and some owners do their own maintenance — but combined with other red flags, it warrants investigation. Ask the seller directly about any gaps you notice.
When to Buy a Carfax Report and When to Skip It
Buy a Carfax report before you make an offer on a used car, especially if you are buying from a private seller. Dealers often provide Carfax reports for free as part of their listing, so check whether one is already available before you pay. If a dealer refuses to provide a Carfax report or says they cannot, that is a reason to be cautious.
You do not need a Carfax report for a brand-new car with a manufacturer warranty, because the car has no history yet. You also do not need one if you are buying from a dealer who has already provided a report and you have reviewed it.
If you are buying a car with a salvage or rebuilt title, or if the Carfax report shows multiple accidents, consider paying for a pre-purchase inspection by an independent mechanic instead of (or in addition to) relying on Carfax. A mechanic can spot damage that Carfax cannot — rust, frame damage, electrical problems, and mechanical wear. This usually costs $100 to $200 but can save you thousands in repairs.
Alternatives to Carfax and How They Compare
AutoCheck is Carfax's main competitor. It uses different data sources (particularly auction records and insurance claims) and sometimes catches accidents or title issues that Carfax misses. AutoCheck reports cost slightly less than Carfax, around $20 to $25 per report. Some buyers run both reports on a car they are seriously considering, because each company has access to different records.
NHTSA.gov (the National Highway Traffic Safety Administration) offers free recall information by VIN. You can check whether a specific car has any open recalls — safety defects the manufacturer has identified. This is free and separate from Carfax, and it is worth checking even if you buy a Carfax report.
Your state's DMV can provide title and registration history for a small fee (usually $5 to $15), but this shows only ownership changes and title status, not accident history or service records. It is less detailed than Carfax but may be all you need if you are buying from someone you know.
A pre-purchase inspection by a mechanic is not an alternative to Carfax — it is a complement. Carfax tells you what happened to the car; a mechanic tells you what condition it is in now. Both are useful for different reasons.
Frequently Asked Questions
Can I get a free Carfax report?
Carfax itself charges for reports, but some dealers and private sellers provide them for free as part of their listing. You can also check whether the seller has already run a report and is willing to share it. If you are buying from a dealership, ask whether they will provide a Carfax report at no cost — many do as a selling tool.
What if the Carfax report shows an accident but the seller says it never happened?
Carfax reports what it has been told by insurance companies, police, and repair shops. If there is a discrepancy, ask the seller for documentation — repair invoices, insurance claim letters, or police reports. If the seller cannot explain the accident, or if their explanation does not match the Carfax record, proceed with caution. A mechanic inspection can help determine whether the car was actually damaged.
Does a clean Carfax report mean the car is safe to buy?
A clean Carfax report means Carfax has no record of reported accidents or title problems. It does not mean the car has never been damaged, never had mechanical problems, or is in good condition. Unreported accidents, poor maintenance, and mechanical wear will not show up on Carfax. Always have a mechanic inspect any used car before you buy it.
Can I check a Carfax report on a car I already own?
Yes. You can run a Carfax report on any VIN, including your own car. Some owners do this to see what records Carfax has collected about their vehicle, or to check for title issues they were not aware of. The process is the same: enter the VIN on Carfax.com and pay for the report.
What is the difference between a salvage title and a rebuilt title?
A salvage title means the car was declared a total loss by an insurance company and has not been repaired yet (or the repairs are not complete). A rebuilt title means the car was salvaged, then repaired and passed a state inspection, and is now legal to drive and own. Both indicate the car was once considered too damaged to repair economically, but a rebuilt title means it has been inspected and deemed roadworthy.