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. Nica Gonzales edited it.
• No insurance company partnership influences these rates or recommendations.

MMG Insurance charges $60/month for full coverage in New Hampshire. The most expensive insurer charges $129/month for the same driver. Switching from the most expensive to MMG saves $69/month ($828/year), and MMG won't appear in a standard quote search because it operates as a regional New England insurer.

Carrier rankings also shift when your record does. Safety Insurance and Vermont Mutual are the cheapest for minimum coverage, not MMG. For DUI profiles, New Hampshire insurers range from $89 to $259/month for the same driver. That $170/month difference is $6,120 over the three-year violation window. The carrier that's right for a clean record may be the worst possible choice after a conviction.

New Hampshire ZIP codes change rates by up to $23/month statewide. Within Manchester alone, the difference between the highest and lowest-priced ZIP codes reaches $11/month, nearly half of the $23/month statewide range in a single city.

Manchester ZIP code 03101 has the state's highest minimum coverage rates.

Manchester is New Hampshire's largest and most densely populated city; urban traffic generates more claims, and more claims lead to higher premiums. The driver who confirms their registration address before renewal is looking at a decision worth up to $23/month.

Young drivers in New Hampshire pay $225/month for full coverage, 2.7 times the $83/month average for adults. The largest single-year drop isn't at 25. It's at 21: $65/month, or $780 in the first year alone. The 25th birthday brings rates of $39/month.

The driver who waits until 25 skips $26/month and misses the largest drop in the state, plus several years of rates quoted against the most expensive profile there is: a driver under 21 with no history. Getting new quotes at 21 captures that drop and establishes a new baseline. The 25th birthday brings its own drop: re-shop there too.

Drivers writh poor-credit drivers in New Hampshire pay $183/month more than Good-credit drivers, or $2,196 a year. Dropping to minimum coverage saves $38/month. The credit improvement is worth 4.8 times the coverage downgrade.

New Hampshire adds a second inversion: reaching Excellent credit actively raises rates. Across the NH market, Excellent-credit drivers pay about $22/month more than Good-credit drivers on average. Get to Good. Stay at Good. Re-shop when you get there: insurers apply credit pricing at renewal, not when the score changes.

An at-fault accident adds about $36/month in New Hampshire: $432 a year, $1,296 over the three-year record window. A DUI adds about $64/month on average, but individual insurers range from $89 to $259/month for the same driver. Choosing the wrong insurer after a DUI costs $170/month extra, or $6,120 over three years.

New Hampshire requires SR-22 filing for at least three years after certain serious violations.

The violation itself stays on the record for five years. Those are two separate re-shop dates: month 37, when the SR-22 expires and cleaner pricing becomes available; month 61, when the violation clears the record window and full market pricing resets. Getting new quotes immediately after a violation is where the rate recovery starts.

Dropping to minimum coverage saves $38/month in New Hampshire. Switching from the most expensive full-coverage insurer to MMG saves $69/month for the same coverage. Both actions take one afternoon. One cuts your protection in half. One doesn't.

New Hampshire adds a third option that no other state offers: legally zero coverage.

A driver who chooses not to insure saves the entire premium. A driver who causes a crash at zero coverage pays every dollar of damages personally: medical bills, lost wages, legal costs, with no policy limit and no insurer backstop. The 25/50/25 minimum provides $25,000 per person in bodily injury limits. Whether that's enough depends on the crash.

Winter storms account for 11 of New Hampshire's 21 billion-dollar disaster events since 1980, about 70% of the state's total estimated disaster costs, per NOAA. New Hampshire recorded 54 vehicle thefts per 100,000 residents in 2022, the lowest rate in the country, according to NICB data. Drivers deciding whether to keep or drop comprehensive coverage here are betting on winter weather (Nor'easters, ice accumulation, flooding from snowmelt), not on theft. NOAA documents that those storms are the dominant documented source of property damage in this state.

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 cannot 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 2 to 3 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 is not 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 Insurance directly. MMG is New Hampshire's cheapest full-coverage insurer at $60/month and won't appear in any national comparison search. The most expensive NH insurer charges $129/month for the same profile. Not getting an MMG quote costs up to $828/year.
2. Re-shop at your 21st birthday. The 20-to-21 drop is $65/month ($780/year), the largest drop in the state. The 25th birthday brings $39/month. The driver who waits 25 pays the under-21 rate for 4 additional years and misses $26/month for each of those years.
3. Re-shop when your credit improves from Poor to Good. The difference is $183/month ($2,196/year). Don't chase Excellent: across the NH market, Excellent costs $22/month more than Good on average. Get to Good and re-shop. Insurers apply credit pricing at renewal, not automatically.
4. Mark month 37 and month 61 after any conviction. Month 37 is when the SR-22 expires, and cleaner pricing becomes available. Month 61 is when the violation clears the record window and full market pricing resets. Getting new quotes at both dates captures two separate pricing improvements.