What Michigan Law Actually Requires
Michigan law requires four separate coverages on every registered vehicle: bodily injury liability at $50,000 per person and $100,000 per accident, property damage liability at $10,000 per accident, personal injury protection (PIP), and property protection insurance. You cannot register a vehicle or renew a policy without all four. The state does not mandate uninsured motorist coverage, but carriers must offer it and you must decline it in writing if you choose not to carry it.
The property-protection mandate catches drivers off guard because it is not part of the liability minimums and it does not appear on comparison charts built for other states. It is a no-fault coverage, meaning it pays even when you are not at fault for the accident. Liability property damage covers the other driver's car when you are at fault; property protection covers everything else your car damages, fault or no fault.
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Get Your Free QuoteMichigan Liability Minimums
$50,000 / $100,000 / $10,000
Bodily injury liability must cover at least $50,000 per person and $100,000 per accident. Property damage liability must cover at least $10,000 per accident. These are the floors; you can buy higher limits.
Michigan Vehicle Code
Personal Injury Protection Is Not Optional
Personal injury protection (PIP) is mandatory in Michigan. It pays your medical expenses, lost wages, and replacement services after an accident, regardless of who caused it. You choose your PIP limit when you buy the policy: unlimited medical coverage, or a capped amount tied to your health insurance. If you have qualifying health insurance that covers auto injuries, you can select a lower PIP limit and reduce your premium. If you do not have health insurance, you must carry unlimited PIP.
When you insure multiple vehicles on one policy, every vehicle on that policy carries the same PIP limit. You cannot assign unlimited PIP to one car and a lower limit to another. The policy-level PIP election applies to every vehicle and every driver on the policy. If one household member needs unlimited coverage, every vehicle on the policy carries unlimited coverage.
Drivers who own several vehicles and want to structure different PIP limits across them must split the vehicles onto separate policies. That decision costs the multi-car discount, which requires every vehicle to sit on the same policy. The trade-off is premium savings from the discount versus flexibility in PIP limits. Most households with qualifying health insurance choose a single mid-tier PIP limit across all vehicles and keep the multi-car discount intact.
It is not part of your liability coverage and it is not optional.
How the Four Mandates Work Together
Bodily injury liability pays the other driver's medical bills and lost wages when you cause an accident. Property damage liability pays to repair the other driver's vehicle when you are at fault. These two coverages are fault-based — they pay only when you are legally responsible for the accident. The $50,000/$100,000/$10,000 minimums are the lowest limits Michigan allows, but they are not high enough to cover a serious multi-vehicle accident.
Personal injury protection pays your own medical expenses, lost wages, and replacement services regardless of fault. Property protection pays for damage your vehicle causes to property other than another vehicle — a fence, a building, a parked car in a lot — also regardless of fault. These two coverages are no-fault, meaning they pay even when the other driver caused the accident. Together, the four coverages ensure that medical bills, vehicle damage, and property damage all have a payer, no matter who was at fault. The system eliminates most tort claims and keeps accident costs inside the insurance framework.
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Uninsured Motorist Coverage Is Offered But Not Required
Michigan does not require uninsured motorist (UM) or underinsured motorist (UIM) coverage, but every carrier licensed in the state must offer it. If you decline UM/UIM, the carrier must document your written rejection. The coverage pays your medical expenses and vehicle damage when an at-fault driver has no insurance or insufficient liability limits to cover your claim. Given that 22.3% of Michigan drivers are uninsured, UM/UIM coverage protects you from paying out of pocket when an uninsured driver hits you.
When you insure multiple vehicles, UM/UIM applies per policy, not per vehicle. If you carry it, every vehicle and every driver on the policy is covered. If you decline it, no one on the policy has it. Splitting vehicles onto separate policies to carry UM/UIM on one and decline it on another is structurally possible but rare — most households either carry it across all vehicles or decline it entirely. The decision hinges on whether you are willing to pay your own repair and medical costs if an uninsured driver causes an accident.
Michigan Uninsured Motorist Rate
22.3%
More than one in five Michigan drivers operates without insurance. Uninsured motorist coverage pays your claim when an at-fault driver has no policy. The state does not require it, but carriers must offer it.
Insurance Information Institute, 2023
Proof of Insurance and Registration
Michigan requires proof of insurance to register a vehicle and to renew registration. The Secretary of State verifies coverage electronically when you register or renew, and the carrier reports lapses directly to the state. If your policy lapses, the Secretary of State suspends your registration and plates.
When you add a vehicle to an existing multi-car policy, the carrier reports the new vehicle to the Secretary of State automatically. You do not file a separate form. When you remove a vehicle, the carrier reports the removal. The electronic reporting system means lapses and changes are visible to the state in near real time. A missed payment that lapses one vehicle on a multi-car policy triggers a registration suspension for that vehicle, but the other vehicles on the policy remain registered as long as the policy itself stays active.
Compare Carriers That Write Multi-Vehicle Policies in Michigan
Fifteen carriers write multi-vehicle policies in Michigan with varying approaches to PIP limits, multi-car discounts, and same-policy requirements. Allstate, Auto-Owners, Farmers, Geico, Liberty Mutual, Nationwide, Progressive, and State Farm all write standard and preferred-tier multi-car policies. Bristol West, Direct Auto, and National General write non-standard multi-car policies for households with higher-risk drivers. Travelers and USAA write preferred-tier policies with stricter underwriting. Amica and Automobile Club Michigan write preferred-tier policies with limited availability.
When you compare carriers, confirm that every vehicle you own can sit on the same policy and that the carrier writes the PIP limit you need. Some carriers restrict the number of vehicles per policy or require all drivers in the household to be listed. Others allow you to exclude a household member who has their own policy elsewhere. The multi-car discount applies only when every vehicle you want covered sits on the same policy with the same carrier. Splitting vehicles across two carriers costs the discount on both policies. Use the site's comparison tool to see which carriers write your household's vehicle count and PIP structure, then request quotes from at least three.