Buying Guide

How to compare two used cars before buying

A smart comparison goes beyond price and mileage. Use vehicle records and costs to choose the vehicle that is safer, more reliable, and cheaper to own.

Start with a side-by-side comparison

Our free tool compares recalls, complaints, investigations, and estimated fuel costs for two vehicles.

Compare vehicles No VIN required to compare

1. Start with the exact year, make, and model

Records can change a lot by model year. Gather the basics before you compare.

Year Make Model Trim if available Engine or fuel type VIN if provided

Use year, make, and model to compare. Use the VIN to confirm exact open recall status before buying.

Use the Used Car Recall Check to build a checklist for one vehicle

2. Compare recall records

Recall fixes safety or compliance problems. More recalls mean more homework, but completed repairs can remove much of the risk.

Total recall campaigns Latest recall date Systems involved Recall severity and impact Completion reports available
Explore recall data: Browse all recalls

3. Compare complaint activity

Complaints show real owner experiences. Look for patterns, not just totals.

Total complaints Top problem categories Complaint trends over time Severity reports How the issues were resolved
Explore complaint data: Browse all complaints

4. Check investigations

Investigations mean regulators are looking into potential safety problems.

Defect investigations Open investigations Number of vehicles affected Investigation status Manufacturer communications

5. Estimate fuel costs

Fuel cost can be a tie-breaker. Compare estimated annual fuel costs for each vehicle.

Fuel type EPA city MPG EPA highway MPG EPA combined MPG Estimated annual fuel cost
Use the Fuel Cost Calculator

6. Ask the right questions for each seller

  • Are there any open recalls?
  • Do you have repair orders for recall work?
  • Has the vehicle had this issue repaired?
  • Can I get the VIN to confirm?
See the full list of questions

7. Use the tools to compare side by side

See the differences that matter before you decide which car to test drive.

Compare vehicles Used Car Recall Check

8. Confirm everything by VIN before you buy

The only way to know exact open recall status is with the VIN.

  • Run a VIN-based recall check
  • Check for new recalls
  • Verify dealer or seller completion
Learn how VIN checks work

Both cars can be great. The records help you choose the smarter one.

Always confirm with the VIN, take a test drive, and get an independent inspection.

Learn more about VIN checks