New Hampshire Car Insurance Calculators: Cost & Coverage

• We source rate data from insurer filings via Quadrant Information Services, updated monthly.
• Rates adjust by ZIP code using your registration address, the address insurers actually use to price your policy.
• Mark Fitzpatrick, a Licensed P&C Insurance Producer, authored this page.
• No insurance company partnership influences these rates or recommendations.

MMG charges $60/month for full coverage in New Hampshire, but Farmers charges $129/month for the same driver and the same coverage. A driver currently with Farmers ($129/month) who switches to MMG saves $69/month while keeping the same coverage. That $69/month difference, or $828/year, has nothing to do with your driving record or credit score. MMG is a regional New England insurer and won't appear in a standard national quote search. A driver who gets quotes from Geico, Progressive, and State Farm but skips MMG starts at the third cheapest option in the state. 

The carrier ranking also changes by profile. Safety Insurance is competitive for adults at $70/month but charges $295/month for young drivers, 4.2 times its own adult rate. The carrier spread after a DUI ranges from $89 to $259/month for the same driver, a $170/month difference that dwarfs the $69/month gap between MMG and Farmers on a clean record. The right carrier for a clean adult profile may be the most expensive option after a conviction or for a young driver. Treat every major profile change as a reason to re-shop the full market, not just check your renewal price.

New Hampshire's statewide ZIP code range is $23/month, but more than half of that exists within Manchester alone. ZIP code 03101 carries the state's highest minimum coverage rates. Manchester's property crime rate runs nearly twice the New Hampshire state average and about 27% above the national average, per FBI crime data, which drives up comprehensive claim exposure relative to the rest of the state.

The $23/month statewide range is smaller than the carrier spread and far smaller than the credit difference, but it still moves your auto insurance bill in a predictable direction. A driver who moved out of Manchester and hasn't updated their garaging address is paying the state's highest ZIP code rate for a location they no longer live in. Confirm your registration address before every renewal, and get new quotes if you've recently moved or updated your garaging address.

Young drivers in New Hampshire pay $225/month for full coverage, 2.7 times the $83/month adult average. The largest single-year drop isn't at 25, but at 21, where rates fall $65/month or $780 in the first year alone. By comparison, the drop at 25 is $39/month. A driver who waits until 25 misses the larger drop by four years and pays $65/month more than necessary while waiting.

The carrier rankings shift just as sharply as the rates. Safety Insurance charges $70/month for adults but $295/month for young drivers, 4.2 times its own adult rate. MMG and Auto-Owners price young drivers at 2.3 and 1.9 times their adult rates respectively, the most favorable price increases for young drivers in the state. A young driver who goes with Safety because it was competitive for a parent's policy pays $158/month more than the same driver at MMG. Re-shop at 21 with the full list of insurance providers, not just the carrier that was right at 16.

Credit score moves New Hampshire rates more than any other factor. The most significant price difference is between good and fair credit: that single tier change adds $82/month. The full poor-to-good spread is $183/month, which is $69/month more than switching from Farmers to MMG while keeping full coverage. A driver considering dropping coverage to save $38/month should fix their credit first. The credit improvement is worth 4.8 times the coverage downgrade on average.

The cheapest carrier also shifts by credit tier. MMG is cheapest at good credit at $60/month. At poor credit, Mapfre is cheapest at $98/month, and MMG rises to $118/month. State Farm, competitive at good credit at $92/month, becomes the most expensive option in the state for those with poor credit, charging $585/month. A driver who improves from poor to good credit and stays with Mapfre captures the credit savings but misses the carrier savings on top of it. Re-quote when your score crosses into a new tier and treat it as a full market comparison. Insurers apply credit pricing at renewal, not when the score changes.

After a violation in New Hampshire, the carrier that was cheapest on a clean record may be the most expensive after a conviction. An at-fault accident adds $36/month on average and a DUI adds $64/month, but those averages hide wide carrier differences. Progressive charges $89/month after a DUI, only $10 more than its clean rate. Vermont Mutual charges $258/month after the same DUI, $188 more than its clean rate. A driver who stays with Vermont Mutual after a DUI instead of switching to Progressive pays $169/month more than necessary, or $6,084 over the 36-month lookback window.

New Hampshire requires an SR-22 filing for 36 months from license reinstatement after a DUI conviction, per the NH Department of Safety. Violations also clear the driving record at 36 months per the NH DMV. Both clocks end at the same point for a first offense. Re-quote immediately after conviction to move to the lowest-cost carrier for your post-DUI profile, then re-quote again at month 37 when the violation clears and full market pricing resets.

Dropping from full to minimum coverage saves $38/month in New Hampshire, but switching from Farmers to MMG saves $69/month for the same full coverage. Both decisions take one afternoon. The carrier switch saves $31/month more without downgrading your protection.

New Hampshire is the only state that doesn't legally require car insurance. Drivers who opt out entirely save the full premium but remain personally liable for every dollar of damages in an at-fault crash, with no policy limit and no insurer backstop. Drivers who opt for minimum coverage at 25/50/25 face a different exposure: New Hampshire is an at-fault state, and those limits won't cover a serious multi-vehicle crash. The coverage calculator below helps you weigh what each tier actually protects before making that decision.

New Hampshire's comprehensive risk is almost entirely weather-driven. Of the state's 21 billion-dollar disaster events since 1980, 11 are winter storms per NOAA. The state recorded 54 vehicle thefts per 100,000 residents in 2022, the lowest rate in the country per NICB data. A driver weighing whether to drop comprehensive is betting against Nor'easters, ice accumulation and snowmelt flooding, not against theft.

Full coverage in New Hampshire costs $49/month more than minimum coverage, or $588/year on average. On our baseline profile vehicle, a 2012 Toyota Camry with a current market value of approximately $7,150 per Kelley Blue Book, the standard break-even calculation puts the payback period at roughly 12 years. In a state where winter storms account for more than half of all billion-dollar disaster events, the likelihood of a comprehensive claim is higher than that math assumes. Drivers with older vehicles should run that calculation against their vehicle's actual current value before dropping coverage. If you're financing, the decision is already made. Lenders require both coverages regardless of vehicle age.

Bodily injury liability pays the medical bills and lost wages of people you injure when you cause a crash. It also covers legal costs if they sue. New Hampshire requires minimum limits of $25,000 per person and $50,000 per accident. Because New Hampshire is an at-fault state, damages above those limits become personal debt. A crash involving two people's hospitalization can exhaust the $50,000 per-accident limit before both recoveries are complete, which is why the recommendation targets 100/300.

Property damage liability coverage pays for damage you cause to another person's vehicle, home, fence, building or other property in an at-fault accident. New Hampshire's minimum property damage limit is $25,000 per accident. A newer vehicle alone can cost more to replace than that. Once the policy limit is exhausted, the remaining balance becomes the at-fault driver's responsibility.

Uninsured and underinsured motorist coverage, or UM/UIM, helps pay for your injuries and damages when the at-fault driver has little or no insurance coverage. Under RSA 264:15, New Hampshire automatically matches UM/UIM limits to your liability coverage when you purchase coverage above the state minimums unless you reject it in writing. With 10.0% of New Hampshire drivers uninsured in 2023 per the Insurance Research Council, UM/UIM coverage protects against drivers who can't fully pay for the damage they cause.

Collision insurance pays to repair or replace your vehicle after a crash, regardless of fault, while comprehensive insurance covers non-collision losses such as winter weather damage and theft. In New Hampshire, winter storms are the state's primary comprehensive risk, accounting for about 70% of the state's billion-dollar disaster costs since 1980, per NOAA. Lenders require both coverages on financed or leased vehicles. For vehicles owned outright, the question is whether the annual comprehensive premium exceeds the realistic payout given the car's current value and New Hampshire's documented winter weather exposure.

Gap insurance pays the difference between your vehicle's actual cash value and the remaining loan balance if the car is totaled. A collision claim pays what the car was worth at the time of the crash, not what you still owe. For a vehicle financed in the last two to three years, the amount owed above the car's current value is the largest because depreciation outpaces loan repayments most aggressively early on. Once the loan balance falls below the vehicle's market value, gap coverage is no longer necessary.

An SR-22 isn't insurance itself. It is a certificate your insurer files with the New Hampshire Division of Motor Vehicles confirming that you carry at least the state's required 25/50/25 liability limits. New Hampshire requires SR-22 filings after certain serious violations, including a DUI conviction or leaving the scene of an accident. Repeat reckless driving offenses also trigger the requirement.

The filing must stay active for at least three years from the conviction date. If the policy lapses, the insurer notifies the DMV immediately, and the driver's license can be suspended. Not all insurers offer SR-22 filings in New Hampshire, so confirm that capability before purchasing a policy.

1. Get a quote from MMG directly. MMG is the cheapest full-coverage option in New Hampshire at $60/month and doesn't appear in national comparison searches. Not getting an MMG quote costs up to $828/year on average before any other factor is considered.
2. Re-shop on your 21st birthday, not your 25th. The 20-to-21 drop is $65/month, the largest single-year rate reduction in the state. The 25th birthday leads to savings of $39/month. A driver who waits until 25 pays the under-21 rate for four additional years and misses the larger drop entirely.
3. Re-quote when your credit reaches good. The difference between poor and good credit is $183/month in New Hampshire, with savings at each improved credit tier in between. Re-quote each time your credit improves by another tier. Insurers apply credit pricing at renewal, not when the score changes.
4. Re-quote at month 37 after any conviction. New Hampshire's SR-22 requirement and the violation lookback window both end at 36 months for a first offense. Month 37 is when the violation clears and full market pricing resets. Re-quoting at conviction to move to the right carrier, then again at month 37, captures two separate pricing improvements from the same event.