The minimum car insurance requirements in Montana are: Bodily Injury Liability – $25,000 limit per person/$50,000 limit per accident. Property Damage Liability – $20,000 limit.

Typically, you will be granted 7-30 days to get car insurance for a new car in MT.

Driving without insurance is against the law in MT. If you are convicted of driving without insurance, you will be subject to $250-$500.