In Minnesota, DUI and DWI generally refer to the same impaired-driving offense. Minnesota law uses the term DWI, meaning “driving while impaired.” People, police reports, and websites may still say “DUI,” but Minnesota does not divide DUI and DWI into two separate charges based only on the wording.
If you were arrested for suspected impaired driving, the name someone uses for the charge is less important than the facts of the stop, the alleged source of impairment, the test results, your driving record, and any claimed aggravating factors. A Minneapolis DWI lawyer can review those details and explain how Minnesota law applies.
What Do DUI and DWI Mean?
DUI commonly means “driving under the influence.” DWI can mean “driving while intoxicated” or “driving while impaired,” depending on the state. Different states use the terms differently, which is why national information about DUI versus DWI can be confusing.
Minnesota’s impaired-driving laws are found in Chapter 169A of the Minnesota Statutes. The chapter uses the term “driving while impaired,” and Minnesota courts handle these cases as DWI matters. Calling an arrest a DUI does not create a different or less serious Minnesota offense.
What Can Lead to a Minnesota DWI Charge?
A Minnesota DWI allegation is not limited to alcohol. Depending on the circumstances, a case may involve alcohol, a controlled substance, cannabis or THC, a hazardous substance, or a combination of substances. The state may rely on chemical-test evidence, observed impairment, driving conduct, officer testimony, or other evidence.
Minnesota’s general alcohol concentration limit is 0.08. However, a driver may still be arrested or charged when a reported alcohol concentration is below 0.08 if law enforcement claims the person’s ability to drive was impaired. The Minnesota Department of Public Safety also explains that drug-related DWI cases do not use the same universal 0.08 limit that applies to alcohol.
Commercial drivers and drivers under age 21 may face additional rules. Because the legal and licensing consequences depend on the specific facts, a person should not assume that a lower test result, a prescription, or the absence of alcohol automatically ends the case.
Are There Different Degrees of DWI in Minnesota?
Yes. Minnesota recognizes four degrees of DWI. The degree depends on factors such as prior qualified impaired-driving incidents, alleged test refusal, alcohol concentration, the presence of a child in the vehicle, and other circumstances defined by law.
- Fourth-degree DWI is generally the least severe DWI classification.
- Third-degree and second-degree DWI involve one or more aggravating circumstances or other statutory factors.
- First-degree DWI is a felony-level offense and applies only in qualifying situations.
The degree listed in a complaint is not a conclusion that the allegation is true. The stop, testing process, prior-record calculation, and claimed aggravating factors can all require careful review. For a broader overview, read Understanding DWI Charges in Minnesota.
Can a Minnesota DWI Involve Drugs or Cannabis?
Yes. Minnesota uses “driving while impaired” broadly enough to include alleged impairment by alcohol and other substances. Drug-related cases can raise different factual and scientific questions from alcohol cases, including what substance was detected, whether it was lawfully prescribed, when it was used, whether the testing was reliable, and whether the evidence actually shows impairment while driving.
A positive test and proof of impaired driving are not always the same question. The available defenses depend on the substance, the test, the timing, and the language of the applicable statute.
What Happens After a DWI Arrest?
A DWI arrest can involve both a criminal case and driver’s-license consequences. Important deadlines may begin quickly. A person may also face release conditions, vehicle or plate issues, ignition-interlock questions, employment concerns, and higher consequences when qualifying prior incidents are alleged.
Useful documents can include the citation or complaint, notice-and-order paperwork, test records, towing or impound documents, and information about prior impaired-driving incidents. Preserve those materials and avoid discussing the facts publicly or on social media.
Frequently Asked Questions About DUI vs. DWI in Minnesota
Is DUI less serious than DWI in Minnesota?
No separate Minnesota charge becomes less serious merely because someone calls it a DUI. Minnesota law uses DWI, and the potential consequences depend on the charged degree and the facts of the case.
Can I be charged with DWI if my alcohol concentration was below 0.08?
Potentially. The state may allege impairment based on driving conduct, observations, testing, or other evidence even when a reported alcohol concentration is below 0.08.
Does DWI include prescription medication?
It can. The legal analysis depends on the medication, whether it was prescribed, the applicable statute, the person’s condition, and the evidence of impairment. A prescription does not automatically answer every issue in a DWI investigation.
Should I use the term DUI or DWI when searching for help?
Either term may lead you to relevant information, but “Minnesota DWI” matches the language used in the state’s impaired-driving statutes.
Speak With a Minneapolis DWI Defense Attorney
Judith Samson represents people facing DWI allegations in Minneapolis and throughout the Twin Cities. She can review the traffic stop, testing, alleged aggravating factors, prior-record issues, and related licensing consequences. Call 612-333-8001 or contact Samson Law to request a free initial consultation.
Updated August 2026. This page provides general information and is not legal advice for any individual case.
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