Multi-Car Liability Requirements in Maryland
Maryland requires every vehicle on a multi-car policy to carry at least $30,000 bodily injury per person, $60,000 bodily injury per accident, and $15,000 property damage, plus personal injury protection (PIP) and uninsured motorist coverage. Maryland is an at-fault state, so the at-fault driver's liability coverage pays for the other party's damages. The multi-car discount typically requires every vehicle to sit on the same policy and share a garaging address, though coverage levels can differ per vehicle.
Meeting the state minimum keeps you legal. See whether it's enough — get your Maryland quote.
Get your Maryland quoteWhat Shapes Multi-Car Costs in Maryland
Multi-car policy cost in Maryland depends on the vehicles you're insuring, the drivers on the policy, the coverage level selected per vehicle, and the multi-car discount. Adding a vehicle mid-term re-rates the entire policy rather than adding a flat amount. Maryland's average auto insurance costs vary by coverage level and driving record, but multi-car households pay based on the combined risk profile of every vehicle and driver on the policy.
What Affects Your Rate
- Every vehicle on a Maryland multi-car policy must carry at least 30/60/15 liability plus PIP and uninsured motorist, so the combined minimum coverage cost is the floor.
- The multi-car discount typically requires every vehicle on the same policy and the same garaging address; splitting vehicles across two policies forfeits the discount.
- Maryland's 16.9% uninsured motorist rate as of 2023 makes uninsured motorist coverage mandatory on every vehicle, adding to the per-vehicle cost.
- Adding collision and comprehensive to one vehicle on the policy raises that vehicle's premium but does not require other vehicles to carry the same coverage.
- Carriers writing in Maryland—including Allstate, Farmers, Geico, National General, Progressive, and State Farm—structure multi-car discounts differently; some give the full discount only when vehicles are titled to the same household member.
- Maryland's average vehicle theft rate of 415.6 per 100,000 population in 2024 affects comprehensive premiums for vehicles on a multi-car policy in higher-theft counties.
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Multi-Car Policy Structure
A multi-car policy in Maryland puts two or more owned vehicles on a single policy, each carrying at least the state's 30/60/15 liability minimum, and earns the multi-car discount when every vehicle shares a garaging address.
Liability Coverage Per Vehicle
Every vehicle on a Maryland multi-car policy must carry at least 30/60/15 liability, but each vehicle can carry higher limits—100/300 or 250/500—while the whole policy earns the multi-car discount.
Adding a Vehicle Mid-Term
Adding a vehicle to an existing Maryland multi-car policy re-rates the entire policy based on the new vehicle's profile and adjusts the multi-car discount to reflect the new vehicle count.
Full Coverage on Select Vehicles
Full coverage—liability plus collision and comprehensive—can be added to one or more vehicles on a Maryland multi-car policy while other vehicles carry liability only, and the whole policy still earns the multi-car discount.
Uninsured Motorist Coverage
Maryland requires uninsured motorist coverage on every vehicle at the same limits as your liability coverage—30/60/15 minimum—and this coverage pays for your injuries and vehicle damage when an at-fault driver has no insurance.
Combining Household Policies
Combining two separate Maryland policies into one multi-car policy after marriage or a household member moving in earns the multi-car discount when every vehicle shares a garaging address.
