Alabama lawDui

DUI Penalties in Alabama

September 28, 2026 · LawDiver Research Team

Alabama's rule on DUI penalties turns on a feature the national template does not capture: BAC limits: 0.08% for adults; 0.04% for commercial drivers; zero-tolerance for drivers under 21. A first offense: First-offense DUI is typically a misdemeanor with fines, possible jail up to one year, license suspension, DUI school, and commonly ignition interlock. Felony threshold: A fourth or subsequent DUI, or DUI with serious injury/death or certain aggravators, can be charged as a felony. The controlling authority is Ala. Code § 32-5A-191. Lookback: Prior DUI convictions within 5 years generally enhance penalties; longer history can still affect sentencing and interlock orders.. Ignition interlock: Alabama widely requires ignition-interlock devices for DUI offenders as a condition of license reinstatement, with longer terms for repeat or high-BAC cases.

Key takeaways

BAC limits: 0.08% for adults; 0.04% for commercial drivers; zero-tolerance for drivers under 21
Lookback period: Prior DUI convictions within 5 years generally enhance penalties; longer history can still affect sentencing and interlock orders.
First-offense range: First-offense DUI is typically a misdemeanor with fines, possible jail up to one year, license suspension, DUI school, and commonly ignition interlock.
Felony threshold: A fourth or subsequent DUI, or DUI with serious injury/death or certain aggravators, can be charged as a felony.
Ignition interlock: Alabama widely requires ignition-interlock devices for DUI offenders as a condition of license reinstatement, with longer terms for repeat or high-BAC cases.
Primary authority: Ala. Code § 32-5A-191.

Worked example under Alabama law

The illustration below uses only rules already stated for Alabama. It is a research hypothetical, not a prediction of what a court will do.

A driver in Alabama is charged with a first impaired-driving offense and wants to know what the statute actually sets.

Start with the alcohol limits: 0.08% for adults; 0.04% for commercial drivers; zero-tolerance for drivers under 21
Read the first-offense range: First-offense DUI is typically a misdemeanor with fines, possible jail up to one year, license suspension, DUI school, and commonly ignition interlock.
Ask when the charge becomes a felony: A fourth or subsequent DUI, or DUI with serious injury/death or certain aggravators, can be charged as a felony. Lookback: Prior DUI convictions within 5 years generally enhance penalties; longer history can still affect sentencing and interlock orders.
Interlock: Alabama widely requires ignition-interlock devices for DUI offenders as a condition of license reinstatement, with longer terms for repeat or high-BAC cases.

Alabama DUI prosecutions under Ala. Code § 32-5A-191 run alongside implied-consent testing under § 32-5-192. Drivers face both criminal court and administrative license action. First offenses are usually misdemeanors; repeats escalate toward felony exposure.

Blood alcohol limits in Alabama

0.08% for adults; 0.04% for commercial drivers; zero-tolerance for drivers under 21

Lookback window for prior offenses

Prior DUI convictions within 5 years generally enhance penalties; longer history can still affect sentencing and interlock orders.

First-offense penalties

First-offense DUI is typically a misdemeanor with fines, possible jail up to one year, license suspension, DUI school, and commonly ignition interlock.

When a Alabama DUI becomes a felony

A fourth or subsequent DUI, or DUI with serious injury/death or certain aggravators, can be charged as a felony.

Ignition interlock and license consequences

Alabama widely requires ignition-interlock devices for DUI offenders as a condition of license reinstatement, with longer terms for repeat or high-BAC cases.

How a typical Alabama DUI case unfolds

Case law: DUI penalties in Alabama

Ex Parte Patricia Norman Bertram. (In Re Patricia Norman Bertram v. State of Alabama). — Stuart, J., dissenting

Ex Parte Patricia Norman Bertram. (In Re Patricia Norman Bertram v. State of Alabama). — Stuart, J., dissenting, 884 So. 2d 889 (2003)

…ode 1975, prevent the use of an out-of-state conviction for driving under the influence of alcohol or a controlled substance in determining the appropriate sentence for a conviction pursuant to § 32-5A-191(f), (g), or (h). As the Court of Criminal Appeals has stated: "`Although criminal statutes must be strictly construed in favor of those sought to be subject to their operatio…

Ex Parte Patricia Norman Bertram. (In Re Patricia Norman Bertram v. State of Alabama). — Stuart, J., dissenting is worth reading on Alabama DUI penalties because the court put the point in its own words: "ode 1975, prevent the use of an out-of-state conviction for driving under the influence of alcohol or a controlled substance in determining the appropriate sentence for a conviction pursuant to § 32-5A-191(f), (g), or (h). As the Court of Criminal Appeals has stated: '`Although c" Use that passage as the starting point, then read the facts that precede it.

Rena Deford Hays v. City of Jacksonville.

Rena Deford Hays v. City of Jacksonville., 1987 Ala. Crim. App. LEXIS 5605 (1987)

Rena Deford Hays was convicted for driving under the influence of alcohol and was fined $300 and court costs. On this appeal from that conviction, the issue is whether a motorist must be arrested for DUI before being taken into custody and required to submit to a chemical test for intoxication. For purposes of appeal, the facts have been stipulated. The…

Alabama opinions such as Rena Deford Hays v. City of Jacksonville. are cited where DUI penalties is disputed. The court stated: "Rena Deford Hays was convicted for driving under the influence of alcohol and was fined $300 and court costs." That is the language to brief; the rest of the decision supplies the procedural posture.

Joseph Robert Salazar, Jr. v. State.

Joseph Robert Salazar, Jr. v. State., 505 So. 2d 1287 (1986)

…rt's oral charge to the jury wherein the court charged that driving under the influence of alcohol can be driving a motor vehicle where there is .10 percent or more by weight of alcohol in the person's blood. He specifically alleges that the particular instruction amounted to a charge that the presumption, that a person with .10 percent or more by weight of alcohol in his blood…

Joseph Robert Salazar, Jr. v. State. is worth reading on Alabama DUI penalties because the court put the point in its own words: "He specifically alleges that the particular instruction amounted to a charge that the presumption, that a person with ." Use that passage as the starting point, then read the facts that precede it.

Roy Gayle Sisson v. State.

Roy Gayle Sisson v. State., 528 So. 2d 1151 (1987)

….Dist.Ct.App. 1985) (U.T.T.C. which charged appellant with "Driving under the influence of alcoholic beverages, narcotic drugs, barbiturates, or stimulants" adequately informed the appellant of the charges against him). Layman v. State, 455 So.2d 607 (Fla.Dist.Ct.App. 1984) (U.T.T.C., which alleged a violation of § 316.193 without specifying which subsection had been violated,…

Alabama opinions such as Roy Gayle Sisson v. State. are cited where DUI penalties is disputed. The court stated: "Dist.Ct.App. 1985) (U.T.T.C. which charged appellant with 'Driving under the influence of alcoholic beverages, narcotic drugs, barbiturates, or stimulants' adequately informed the appellant of the charges against him). Layman v. State, 455 So.2d 607 (Fla.Dist.Ct.App. 1984) (U.T.T." That is the language to brief; the rest of the decision supplies the procedural posture.

Sean Bowman Farley v. City of Montgomery.

Sean Bowman Farley v. City of Montgomery., 1995 Ala. Crim. App. LEXIS 416 (1995)

The appellant, Sean Bowman Farley, was convicted of driving under the influence of alcohol, a violation of §32-5A-191(a)(2), Code of Alabama 1975. He was sentenced to one year in jail. His sentence was split and he was ordered to serve 60 days in jail and the remainder on probation. The state's evidence tended to show that on September 3, 1994, the appellant was driving…

Alabama opinions such as Sean Bowman Farley v. City of Montgomery. are cited where DUI penalties is disputed. The court stated: "The appellant, Sean Bowman Farley, was convicted of driving under the influence of alcohol, a violation of §32-5A-191(a)(2), Code of Alabama 1975. He was sentenced to one year in jail." That is the language to brief; the rest of the decision supplies the procedural posture.

Elbert W. Bexley v. State.

Elbert W. Bexley v. State., 1997 Ala. Crim. App. LEXIS 184 (1997)

…it court, the appellant, Elbert W. Bexley, was convicted of driving under the influence of alcohol (DUI). He was sentenced to' five days in jail. The sentence was suspended, and he was fined $500. The portions of the record pertinent to the appellant’s claims on appeal (which are discussed below) reflect that the Uniform Traffic Ticket and Complaint (UTTC) charged him with viol…

Elbert W. Bexley v. State. is worth reading on Alabama DUI penalties because the court put the point in its own words: "Elbert W. Bexley, was convicted of driving under the influence of alcohol (DUI). He was sentenced to' five days in jail. The sentence was suspended, and he was fined $500." Use that passage as the starting point, then read the facts that precede it.

Nell Marie Woods v. City of Dothan.

Nell Marie Woods v. City of Dothan., 594 So. 2d 238 (1991)

…lant, Nell Marie Woods, was convicted in municipal court of driving under the influence of alcohol (D.U.I.) and driving while her license was revoked (D.W.L.R.). She appealed these convictions to the Circuit Court for Houston County, where she was again found guilty on both charges. She was sentenced to 90 days in jail and was fined $500.00 for the D.U.I. conviction, and she wa…

Alabama opinions such as Nell Marie Woods v. City of Dothan. are cited where DUI penalties is disputed. The court stated: "Nell Marie Woods, was convicted in municipal court of driving under the influence of alcohol (D.U.I.) and driving while her license was revoked (D.W.L.R.). She appealed these convictions to the Circuit Court for Houston County, where she was again found guilty on both charges." That is the language to brief; the rest of the decision supplies the procedural posture.

Frequently asked questions

What is the legal BAC limit in Alabama?