DUI Laws in Minnesota: Penalties, BAC Limits & License Suspension

What a DUI Is Called in Minnesota, and the Deadline You Cannot Miss

Minnesota does not use the term "DUI." The offense is called Driving While Impaired (DWI), defined under Minnesota Statutes section 169A.20. If you were arrested, the paperwork you were handed should say "DWI," not DUI or OWI.

Two numbers matter immediately:

• 0.08 — the per se blood alcohol concentration (BAC) that is illegal to drive at or above in a regular passenger vehicle in Minnesota (and nationwide).
• 60 days — under Minn. Stat. § 169A.53, subd. 2, you generally have only 60 days from the date you receive the notice and order of license revocation to petition a Minnesota district court for judicial review of that administrative revocation. Miss it, and you permanently lose the right to challenge the revocation in court. Confirm the exact date on your notice, since the clock runs from receipt, not from the arrest.

Everything below explains how Minnesota's specific numbers work. Laws and penalty schedules change, so verify current figures with the Minnesota Department of Public Safety, Driver and Vehicle Services (DVS), or a Minnesota-licensed defense attorney before you rely on any number here for a decision.

Per Se BAC Limits in Minnesota

• Standard limit (non-commercial drivers, 21+): 0.08. This is the national per se limit and applies the same way in Minnesota as elsewhere.
• Commercial driver's license (CDL) holders: 0.04, per Minn. Stat. § 169A.20, when operating a commercial motor vehicle. A CDL holder can also lose commercial driving privileges even at lower readings under separate implied consent provisions for commercial vehicles.
• Drivers under 21: effectively 0.00. Minnesota's "Not a Drop" law (Minn. Stat. § 169A.33) makes it a crime for anyone under 21 to drive after consuming any alcohol at all — the state does not require proof of a 0.08 reading, only physical evidence that the driver had consumed alcohol. A conviction carries license suspension of 30 days for a first violation and 180 days for a repeat violation.
• Aggravating "high-BAC" factor: 0.16. A test result of 0.16 or higher — double the standard limit — is treated as an aggravating factor. It triggers a longer administrative license revocation and can push the criminal charge to a more serious degree of DWI.

Implied Consent and Test Refusal

By driving in Minnesota, you have legally consented to a chemical test (breath, blood, or urine) if an officer has probable cause to believe you were driving while impaired, per Minn. Stat. §§ 169A.51–169A.52 (the Implied Consent Law). Refusing that test does not avoid consequences — it triggers its own, separate license consequence.

• First refusal: a minimum license revocation of not less than one year under Minn. Stat. § 171.178 — the same length as a first-time failure with a high (0.16+) BAC, and longer than a straightforward first-time test failure.
• Refusing to submit to a legally required breath test is itself a separate crime in Minnesota (a gross misdemeanor in most circumstances), independent of any DWI charge.
• Your refusal can also be introduced as evidence against you in the criminal case.

There is a difference between the roadside preliminary breath test (a screening tool) and the post-arrest evidentiary test administered under implied consent. Confirm with an attorney which test you refused and when, since it affects your exposure.

Administrative License Revocation: The Clock Starts Immediately

Minnesota's version of an administrative license suspension is handled by the Commissioner of Public Safety through the Department of Public Safety's Driver and Vehicle Services (DVS) division — not a court. If you fail or refuse a test, the officer typically takes your license on the spot and issues a notice and order of revocation along with a temporary license that expires in a matter of days, followed by the revocation taking effect.

This is the time-critical part. You have two review options, and they are not the same:

• Administrative review — a written request to the Commissioner of Public Safety asking the agency to reconsider its own revocation. The commissioner must report the results in writing within 15 days of receiving the request. This route can generally be requested at any point during the revocation period, but it does not pause the revocation and rarely succeeds on its own.
• Judicial review — a formal petition filed with the district court in the county where the arrest occurred, contesting the revocation before a judge. Under Minn. Stat. § 169A.53, subd. 2, you must file this petition within 60 days of receiving the notice and order of revocation, along with proof of service on the commissioner and the filing fee. This is your one real chance to challenge the revocation itself, and the deadline is strictly enforced — miss it and you waive judicial review permanently.

Because the administrative revocation happens independently of the criminal DWI case, you can lose your license through DVS long before you ever see a courtroom on the criminal charge. Do not assume the two processes run on the same calendar — confirm both deadlines with DVS or an attorney the same week you're arrested.

First-Offense DWI Penalties in Minnesota

A first-time DWI in Minnesota, with no aggravating factors, is generally charged as a misdemeanor (fourth-degree DWI). If aggravating factors are present — a BAC of 0.16 or higher, a test refusal, having a child under 16 in the vehicle, or certain other factors — the offense is charged more seriously (third-degree DWI or higher), even on a first arrest.

• License revocation: Not less than 90 days for a straightforward first-time test failure; not less than one year if an aggravating factor (0.16+ BAC or refusal) applies.
• Ignition interlock device (IID): For a first offense with a high BAC (0.16+) or a test refusal, Minnesota law requires participation in the state's ignition interlock program to regain any driving privileges during the revocation period. For a plain first offense without aggravating factors, an interlock device may be offered as a route back to driving sooner, but requirements and fees change — confirm current rules with DVS's Ignition Interlock Device Program before assuming you either need one or can avoid one.
• Jail and fines: Fourth-degree (misdemeanor) DWI in Minnesota carries jail exposure measured in days up to about 90 and fines that can run into four figures, with the actual sentence depending heavily on the judge, county, and any plea agreement. Higher-degree first offenses (with aggravating factors) carry substantially more jail and fine exposure, including mandatory minimums in some cases. Do not rely on any specific dollar figure or day count without checking Minn. Stat. §§ 169A.24–169A.27 (which set out the degrees) and the current sentencing guidelines, or asking a Minnesota defense attorney to confirm the range for your specific facts.

Beyond the criminal case, expect a mandatory chemical use assessment, possible treatment or education requirements, license reinstatement fees, and a significant increase in auto insurance costs. Minnesota also requires you to file a certificate of insurance with DVS as proof of coverage before your license can be reinstated in DWI cases.

How Long a Prior DWI Counts Against You (Lookback Period)

Minnesota uses a 10-year lookback period. A "qualified prior impaired driving incident" — a prior DWI conviction, implied consent license revocation, or comparable out-of-state offense — counts as a prior for enhancement purposes if it occurred within the ten years immediately preceding the current offense (Minn. Stat. § 169A.03). A DWI outside that ten-year window generally does not count toward enhancing the current charge, though it can still be visible on your record and considered by a judge at sentencing. Note that some license-consequence provisions (such as certain ignition-interlock durations for repeat offenders) reference a longer, 20-year look at prior incidents — ask a Minnesota attorney which window applies to your specific situation.

When a DWI Becomes a Felony in Minnesota

A DWI is elevated to first-degree DWI, a felony, under Minn. Stat. § 169A.24, if any of the following applies:

• The current offense occurs within ten years of the first of three or more qualified prior impaired driving incidents; or
• The person has a prior felony DWI conviction; or
• The person has a prior felony conviction for criminal vehicular homicide or injury involving alcohol or drugs.

A felony DWI conviction in Minnesota carries the possibility of years in prison and a fine that can run into five figures, on top of extended license revocation and mandatory ignition interlock participation. Separately, causing injury or death while impaired can be charged under Minnesota's criminal vehicular operation/homicide statutes regardless of how many priors you have — those are distinct, additional felony charges from the DWI itself.

What to Do After a DWI Arrest in Minnesota

1. Read every document the officer gives you the moment you're released. Find the notice and order of revocation and note the date. That date starts your 60-day judicial review window under Minn. Stat. § 169A.53 — mark it on a calendar immediately.
2. Don't wait to look for a lawyer. Because the administrative license revocation and the criminal case move on separate, overlapping timelines, a short delay can cost you the ability to contest the license revocation even before your first court date on the criminal charge.
3. Ask specifically about both review options — administrative review by the Commissioner of Public Safety and judicial review in district court — and which one (or both) makes sense given your facts and deadline.
4. Check whether you're eligible for a limited or work license and whether ignition interlock enrollment is required or optional in your situation; rules differ depending on whether aggravating factors applied.
5. Gather your own timeline while it's fresh: what time you were stopped, what tests (if any) you were asked to take, and what you were told about refusal consequences. Write it down before memory fades.
6. Do not discuss the details of the stop with anyone other than your attorney, and do not attempt to resolve the license revocation or criminal case without understanding how the two interact.
7. Confirm every number in this guide directly with Minnesota DVS, the court handling your case, or a Minnesota-licensed defense attorney before you make decisions — penalty schedules and interlock requirements are updated periodically.

This article is general legal information about Minnesota law, not legal advice for your specific situation; consult a Minnesota-licensed attorney about your case.