How Pay-Per-Mile Car Insurance Works for Drivers Who Don't Drive Much

What pay-per-mile insurance is and whether it saves you money

Pay-per-mile insurance charges you a base monthly rate plus a per-mile fee instead of a flat premium. You pay roughly 10 to 25 cents per mile driven, depending on the insurer and your driving record. The base rate covers liability and collision when you're not driving; the mileage fee covers you when you are.

This model works only if you actually drive less than 10,000 to 12,000 miles per year. If you drive more, a traditional policy usually costs less. The savings come from the insurer's lower risk — fewer miles means fewer chances for a crash. But you have to track your mileage, and some insurers use a plug-in device or smartphone app to monitor it, which raises privacy questions you should consider before signing up.

The real advantage is that you pay nothing for days or weeks when your car sits unused. A traditional policy charges the same premium whether you drive 500 miles a month or 5,000. With pay-per-mile, low-mileage months cost less.

Key Takeaways

• Pay-per-mile insurance charges a base monthly rate plus 10 to 25 cents per mile, and saves money only if you drive fewer than 10,000 to 12,000 miles per year.
• Most insurers require a plug-in device or app to track your mileage, which means the company knows where and when you drive.
• You must report your odometer reading or allow electronic monitoring; misreporting mileage can void your coverage.
• This insurance works best for people who work from home, use public transit most days, or own a second car they rarely use.
• Switching to pay-per-mile mid-year may not save money because you still owe the full premium for months you've already paid.

Which insurers offer pay-per-mile policies

The largest pay-per-mile programs are Metromile (available in most states except New Hampshire and South Dakota), Milewise (a Allstate product, available in select states), and Smartmile (offered through various regional carriers). Availability varies by state and by your driving history — insurers may decline you if you have recent accidents or violations.

Metromile is the most widely available and uses a plug-in device that tracks mileage and sends data to their system. Milewise works similarly. Both require you to have a compatible vehicle (generally 1996 or newer with an OBD-II port, which most cars have). If your car is older or you drive a classic vehicle, you may not may have access to.

Some regional insurers and smaller carriers also offer mileage-based rates, but they may require manual odometer reporting instead of electronic tracking. Call your current insurer to ask whether they offer a low-mileage or usage-based option before switching.

How mileage tracking works and what data is collected

Most pay-per-mile insurers use a small plug-in device about the size of a USB drive that connects to your car's OBD-II port (usually located under the steering wheel or dashboard). The device records your mileage, driving times, and sometimes location data. This information is sent to the insurer's servers, where it's used to calculate your bill.

Some insurers offer a smartphone app as an alternative to the plug-in device. The app uses your phone's GPS to track when you're driving and how far. This method is less intrusive than a plug-in device but still collects location data. You should read the insurer's privacy policy to understand what data they keep, how long they keep it, and whether they sell it to third parties.

If you're uncomfortable with tracking, ask the insurer whether they offer a manual reporting option. A few carriers allow you to report your odometer reading each month instead of using a device. This is less common and may come with a higher per-mile rate or a requirement that you report honestly.

Calculating whether pay-per-mile saves you money

To compare pay-per-mile to a traditional policy, you need three numbers: your annual mileage, the base monthly rate, and the per-mile fee. Let's say Metromile charges $25 per month plus $0.18 per mile in your area, and you drive 6,000 miles per year.

Your annual cost would be ($25 × 12) + (6,000 × $0.18) = $300 + $1,080 = $1,380. A traditional policy for the same coverage might cost $1,200 to $1,600 per year, depending on your age, driving record, and location. In this example, pay-per-mile is competitive but not necessarily cheaper — you'd need to get quotes from both types to know for sure.

The math changes if you drive even less. At 4,000 miles per year, the same pay-per-mile policy costs ($25 × 12) + (4,000 × $0.18) = $300 + $720 = $1,020. Now it's likely cheaper than a traditional policy. But if you drive 15,000 miles per year, pay-per-mile becomes expensive fast: ($25 × 12) + (15,000 × $0.18) = $300 + $2,700 = $3,000.

Misreporting mileage and what happens if you get caught

If you use electronic tracking, you cannot misreport your mileage — the device records it automatically. But if your insurer allows manual reporting, the temptation to underreport is real. Do not do this. Misreporting mileage is insurance fraud, and insurers investigate claims carefully.

If you file a claim and the insurer discovers your actual mileage was significantly higher than what you reported, they can deny the claim, cancel your policy, and refuse to insure you in the future. They may also report the fraud to your state's insurance commissioner. The cost of a denied claim far exceeds any savings from underreporting mileage.

If your driving habits change and you start driving more, contact your insurer and switch to a traditional policy. Most allow you to make changes without penalty, though you may owe a higher premium for the remainder of your policy term.

When pay-per-mile makes sense and when it doesn't

Pay-per-mile insurance works best for people in specific situations: you work from home and drive only for errands and occasional trips, you use public transit for your commute and drive a car only on weekends, you own a second vehicle you rarely use, or you're retired and drive infrequently. If any of these describes you and you drive fewer than 10,000 miles per year, it's worth getting a quote.

Pay-per-mile does not make sense if you commute to an office five days a week, you drive for work (delivery, rideshare, sales), you have a long commute, or you take frequent road trips. In these cases, your annual mileage will be high enough that a traditional policy costs less. It also may not make sense if you're uncomfortable with tracking or if your insurer doesn't operate in your state.

If you're considering switching mid-year, do the math carefully. You've already paid the full premium for the months you've used so far. Switching to pay-per-mile means starting a new policy with a new base rate, so you don't recover the money you've already spent. It usually makes sense to switch only at your renewal date.

Questions to ask before you sign up

Before choosing a pay-per-mile insurer, ask these questions: What is the base monthly rate and the per-mile fee in your state? Does the rate change based on when you drive (some insurers charge more for night driving)? What coverage limits are included, and how do they compare to a traditional policy? Can you choose your deductible?

Ask about the tracking device or app: Is it required, or can you report mileage manually? What data does it collect, and how long is it kept? Can you delete your data or opt out of tracking? What happens if the device fails or your app stops working — do you still have coverage?

Ask about claims: If you get in an accident, how does the insurer verify your mileage at the time of the crash? Will they deny a claim if they believe you were driving more than you reported? What is their process for handling disputes?

Frequently Asked Questions

Can I get pay-per-mile insurance if I have a bad driving record?

Most insurers will still consider you, but your base rate and per-mile fee will be higher. Some insurers decline applicants with recent serious violations or multiple accidents. Get quotes from several insurers — different companies have different underwriting standards.

What if I drive more miles than I expected in a month?

You pay for every mile you drive. There's no cap or overage limit. If you drive 500 extra miles in a month, you pay for those 500 miles. This is why it's important to track your actual mileage before signing up to make sure pay-per-mile is truly cheaper for your habits.

Do I have to keep the tracking device in my car at all times?

Yes. The device must stay plugged in to record your mileage. If you unplug it, the insurer won't know how far you've driven, and your coverage could be affected. Some insurers allow you to temporarily unplug the device for privacy, but you must report those miles manually.

Can I switch back to a traditional policy if I change my mind?

Yes. You can switch at any time, though you may owe a cancellation fee depending on your policy. Most insurers allow you to switch without penalty at your renewal date. If you switch mid-term, you lose the unused portion of your base rate.

Does pay-per-mile insurance affect my credit score?

No. Insurance inquiries and policies do not affect your credit score. The insurer may check your driving record and insurance history, but this is not a credit check and does not impact your credit.