Montana CDL DUI Consequence Calculator 2026

State-specific DUI cost estimates for Montana, including fines, attorney fees, SR-22 insurance, ignition interlock, and more.

How much does a DUI cost in Montana?

A first-offense DUI in Montana typically costs between $2,500 and $10,000 in attorney fees alone, plus fines of $600-$1,000, court costs, insurance increases, and more. Total first-offense costs typically range from $8,000 to $20,000+.

How long is your license suspended for a first DUI in Montana?

A first-offense DUI conviction in Montana carries a license suspension of 180 days. A hardship or restricted license may be available during this period.

Is an ignition interlock device required in Montana for a first DUI?

A first-offense DUI in Montana does not automatically require an ignition interlock device, though courts may order one at their discretion.

How long is SR-22 insurance required after a DUI in Montana?

Montana requires SR-22 high-risk insurance filing for 3 years following a DUI conviction.

Can a DUI be expunged in Montana?

Montana allows DUI expungement under certain conditions, typically after a waiting period of 5 year(s) following completion of your sentence.