Liberty Mutual ByMile®

Liberty Mutual’s new low-mileage driver program, ByMile, gives you the flexibility of only paying for the auto insurance you need. All the coverage of a traditional auto policy, but at a fraction of the price because your rates are customized based on the number of verified miles you drive.
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Auto insurance for low-mileage drivers

The small ByMile device tracks the number of miles you drive, so your monthly bill will be based on how many miles you drove in a prior month. Your bill will change each month, but you will never be charged for more than 150 miles per day.

Download the ByMile app

You can track your trips and mileage by downloading the ByMile app.

  • View latest trips
  • Track monthly mileage
  • Confirm device detection
  • Access help when needed

Download the Liberty Mutual Mobile App on iOSDownload the Liberty Mutual Mobile App on Google Play

Illustration of a hand holding a smartphone with the Liberty Mutual app displayed.

It's simple - just follow these easy steps


Enroll in ByMile with your auto insurance, sign the terms and conditions, and we'll ship you your device right away.


Plug the device into the OBD-II port of your car. Find out how


Be sure to install your device within 21 days of receiving it so we can start charging you accurately for the miles you drive.


Start driving and enjoy your customized premium each month.


Download the ByMile app to track your monthly mileage. You can find the app in the Apple AppStore or Google Play.

Frequently asked questions about ByMile

Coverage provided and underwritten by Liberty Mutual Insurance Company or its subsidiaries or affiliates. Coverage not available in all states.
*Savings is an approximation and may vary by state and by mileage. Based on projected savings of ByMile customers in states where ByMile is available.