If your car spends more time in the driveway than on the road, you may be paying for miles you never drive. Pay per mile car insurance is designed for that situation. Instead of a flat premium based mostly on estimated mileage, you pay a base rate plus a charge for each mile you actually drive.
This guide explains how pay-per-mile coverage works, who it tends to fit, and what to check before you switch.
Key takeaways
- Pay per mile car insurance usually combines a fixed base rate with a per-mile charge.
- It may make the most sense for people who drive well below average, such as remote workers and retirees.
- Miles are tracked with a plug-in device, an app, or a connected car.
- It is not available everywhere, so compare it with traditional quotes before you decide.
How pay per mile car insurance works
Most pay-per-mile policies have two parts:
- A base rate. This is a fixed monthly (or daily) amount that covers your car even when it is parked.
- A per-mile rate. This is a small charge for each mile you drive during the billing period.
Your bill each month combines those two pieces. Drive less, and your bill goes down. Take a long road trip, and it goes up.
Nationwide describes its SmartMiles program this way: each monthly payment is the base premium plus the cost per mile multiplied by the miles you drove in the prior billing cycle, according to Nationwide's SmartMiles page. The same page says only the first 250 miles driven in a single day count toward your mileage, which can soften the cost of an occasional long trip.
Allstate's Milewise program uses a similar structure, with a daily rate plus a per-mile rate, according to Allstate's Milewise FAQ.
Your base rate and per-mile rate are set using many of the same factors as a regular policy, such as your age, vehicle, location, and driving history.
Pay per mile vs. traditional insurance
| Feature | Traditional policy | Pay-per-mile policy |
|---|---|---|
| How the premium is set | Estimated annual mileage plus rating factors | Base rate plus actual miles driven |
| Monthly bill | Usually the same each month | Changes with how much you drive |
| Tracking | Usually none required | Device, app, or connected car |
| Best fit | Average or high-mileage drivers | Low-mileage drivers |
| Coverage types | Liability, collision, comprehensive, and more | Typically similar options |
The coverage itself is often similar. The main change is how you are billed.
Who may benefit from pay-per-mile coverage
Pay per mile car insurance tends to work best for people whose cars sit idle most of the week. That may include:
- People who work from home or take public transit.
- Retirees who drive mainly for local errands.
- College students who leave a car at home for much of the year.
- Households with a second or third car that rarely gets used.
- City residents who walk or bike for most trips.
If you commute long distances or drive for work, a traditional policy, possibly with a low-mileage or safe-driver discount, may be a better fit. Some insurers also offer behavior-based programs that track how you drive rather than how far. Our guide to usage-based car insurance explains the difference.
Questions to ask before you sign up
Before switching, get clear answers to a few questions.
What data does the insurer collect?
Some programs only track mileage. Others may also record things like speed, braking, or time of day. Ask what is collected, how long it is stored, and whether it can affect your rate beyond the per-mile charge.
What happens if the device stops reporting?
Programs handle this differently. Some charge a default mileage if no data comes in. Ask what the rule is and how you will be notified if there is a problem with your device.
Are there daily or trip caps?
Some insurers cap the miles they charge per day, which can help if you take an occasional road trip. Others do not. This detail can make a big difference if you travel a few times a year.
Is it available in your state?
Pay-per-mile programs are not offered everywhere. For example, Nationwide's SmartMiles page lists Alaska, Hawaii, Louisiana, Michigan, North Carolina, New York, and Oklahoma as states where the program is not available. Availability for every insurer can change, so confirm before you plan around it.
Companies that offer pay-per-mile programs
Several insurers offer pay-per-mile options. Market examples include Nationwide SmartMiles and Allstate Milewise, and other companies offer their own programs in some states. Program names, pricing, and availability change, so treat any list as a starting point rather than a recommendation.
A licensed agent can help you see whether a pay-per-mile option is available to you and how it compares with a standard policy.
How to tell if the math works for you
Here is a simple way to estimate whether pay-per-mile might make sense:
- Check your actual mileage. Look at your odometer readings or recent service records to see how many miles you drive in a typical month.
- Get a pay-per-mile quote. Note the base rate and the per-mile rate.
- Do the math. Multiply your monthly miles by the per-mile rate, then add the base rate.
- Compare it with traditional quotes. Use the same coverage limits and deductibles.
- Plan for busy months. Think about holidays, vacations, or seasonal trips that could raise your bill.
If the estimated total is clearly lower and you are comfortable with tracking, pay-per-mile may be worth a try. If it is close, a regular policy with the right discounts may be simpler. Our list of car insurance discounts you might be missing can help you compare fairly.
Possible downsides
Pay-per-mile coverage is not for everyone. Keep these trade-offs in mind:
- Bills can vary. Your payment may change each month, which can make budgeting harder.
- Tracking is required. Some drivers are not comfortable sharing driving data.
- Long trips cost more. A cross-country drive could lead to a noticeably higher bill.
- Limited availability. You may not be able to get it in your state.
The bottom line
Pay per mile car insurance can be a smart option if you drive much less than most people. It ties part of your cost to how much you actually use your car. But it is not automatically cheaper, and it is not offered everywhere.
The best way to know is to compare. Look at pay-per-mile and traditional quotes side by side with the same coverage, then choose the one that fits your budget and driving habits.
To see what your options look like, you can compare auto insurance quotes from licensed agencies in our network for free.
This article is for general information only and isn't legal or insurance advice. Coverage and rules vary by state and insurer.
Frequently asked questions
Most programs use a small device that plugs into your car's diagnostic port, a smartphone app, or data from an eligible connected car. Nationwide, for example, says its SmartMiles program measures miles with a device or an eligible connected car. Ask each insurer what data it collects beyond mileage and how that data is used.
Many pay-per-mile programs let you choose the same types of coverage as a standard policy, including liability, collision, and comprehensive. The difference is mainly in how you are billed, not what is covered. Coverage options and limits still vary by insurer and state, so review the policy details carefully before you buy.
No. Pay-per-mile programs are only offered in certain states, and availability changes over time. Nationwide, for example, lists several states where its SmartMiles program is not available. Check the insurer's website or ask a licensed agent whether a program is offered where you live.