When Is a DUI a Felony in Utah

In Utah, a DUI charge becomes a felony when you get a third DUI within 10 years, cause an accident involving serious bodily injury or death, or drive under the influence with certain aggravating factors present. Felony DUI carries prison sentences, higher fines, and longer license revocation periods compared to misdemeanor DUI charges.

Last updated: July 2026

Most DUI arrests in Utah start as misdemeanor charges. But certain factors can elevate a DUI to felony status, and the consequences change dramatically when that happens. Understanding what separates a misdemeanor DUI from a felony DUI is one of the most important things you can know if you are facing charges.

Utah law treats DUIs differently depending on the number of prior convictions within a 10-year lookback period, whether someone was injured or killed, and whether a minor was present in the vehicle. Each of these factors independently can turn what would otherwise be a Class B misdemeanor into a felony carrying years of prison time.

What Makes a DUI a Felony in Utah?

Utah Code 41-6a-501 outlines the primary DUI offense, but several sections of the Utah Code and related statutes determine when a DUI becomes a felony. The most common pathway is a third DUI conviction within a 10-year period. Under Utah Code 41-6a-501(2), a third DUI within 10 years is a third-degree felony. The 10-year window counts backward from the current offense and includes any prior convictions for DUI, automobile homicide, or alcohol-related reckless driving.

A DUI that causes serious bodily injury to another person is also a third-degree felony under Utah Code 41-6a-501(3). This applies even if it is your first DUI. The injury does not need to be permanent, but it must be serious enough to create a substantial risk of death or cause protracted loss or impairment of a bodily function. DUI involving death is charged as automobile homicide under Utah Code 76-5-207, which is a second-degree felony punishable by 1 to 15 years in prison.

DUI with a minor passenger under age 16 is normally a Class A misdemeanor on the first offense, but if you have a prior DUI conviction, it becomes a third-degree felony. Each minor in the car can be charged as a separate count, meaning the potential prison time multiplies quickly.

What Are the Penalties for a Third DUI Felony in Utah?

A third DUI conviction within 10 years carries substantial mandatory minimums that a judge cannot waive. Under Utah Code 41-6a-501(2), the penalties for a third or subsequent DUI include a fine of at least $1,500 and up to $2,500, a mandatory jail term of 1,500 hours (approximately 62 days) with no possibility of probation or suspended sentence for that minimum, a prison term of up to 5 years in the Utah State Prison rather than the local county jail, and a license revocation of 2 years with no possibility of a restricted license for the first year.

The court must also order an ignition interlock device for 2 years once driving privileges are reinstated. Substance abuse evaluation and treatment are mandatory. The judge has discretion to impose up to 5 years in prison, but the 1,500-hour minimum jail time is non-negotiable. This means even if you are sentenced to probation, you must still serve that minimum time in jail.

What Happens When a DUI Causes Serious Bodily Injury?

Utah law draws a sharp distinction between DUI that involves property damage and DUI that involves injury to a person. Under Utah Code 41-6a-501(3), if a DUI causes serious bodily injury to another person, the offense is a third-degree felony regardless of the number of prior DUIs. This applies to the driver, passengers, occupants of other vehicles, pedestrians, or any other person.

Serious bodily injury is defined in Utah Code 76-1-601 as bodily injury that creates a substantial risk of death, causes serious permanent disfigurement, or causes protracted loss or impairment of a bodily function. Examples include broken bones, internal injuries, severe lacerations, traumatic brain injuries, and injuries requiring surgery. The penalties include a prison term of up to 5 years, fines of up to $5,000, restitution to the victim for medical expenses, lost wages, and other damages, mandatory license revocation, and mandatory ignition interlock device upon reinstatement.

Unlike a third DUI felony, a DUI with serious bodily injury does not require prior convictions. One mistake can result in a felony conviction that stays on your record permanently.

What Are the Penalties for DUI Involving Death (Automobile Homicide)?

When a DUI results in the death of another person, Utah charges the offense as automobile homicide under Utah Code 76-5-207. This is a second-degree felony, the most serious DUI-related charge that does not involve intentional conduct. A second-degree felony in Utah carries a prison term of 1 to 15 years and fines of up to $10,000.

Automobile homicide requires proof that the defendant was operating a vehicle in a negligent manner while under the influence of alcohol, drugs, or a combination of both, and that this conduct caused the death of another person. The prosecution must prove causation: that the impairment was a substantial factor in bringing about the death. Even if the victim contributed to the accident in some way, the driver can still be convicted if their impairment was a contributing cause.

The Utah Court of Appeals has held that automobile homicide does not require proof of gross negligence. Ordinary negligence combined with impairment is sufficient. This is a lower standard than many people expect.

How Does a DUI Become a Felony With a Minor in the Car?

Under Utah Code 41-6a-527, driving under the influence with a minor under age 16 in the vehicle is a separate offense with enhanced penalties. On the first offense, this is a Class A misdemeanor rather than the standard Class B misdemeanor. However, if you have a prior DUI conviction, DUI with a minor in the car becomes a third-degree felony.

Each minor under 16 in the vehicle at the time of the offense can be charged as a separate count. This means that if you have two children in the back seat and are charged under this statute, you could face two Class A misdemeanor counts or two felony counts if you have a prior DUI conviction. The court must also order you to pay restitution for any costs incurred by the victim (the minor child) and may impose additional penalties under the child welfare laws.

DCFS involvement is common in these cases. The Utah Division of Child and Family Services may open a child welfare investigation, and a conviction can be used as evidence in custody proceedings or dependency actions.

What Is the Difference Between Prison and Jail for a Felony DUI?

Understanding the distinction between jail and prison matters because a felony DUI opens the door to prison time. In Utah, jail refers to a county facility where inmates serve sentences of less than one year. Prison refers to the Utah State Prison, operated by the Utah Department of Corrections, where inmates serve sentences of one year or longer.

A misdemeanor DUI is served in county jail. A felony DUI is served in the Utah State Prison. This distinction matters for several reasons: prison is located farther from family and legal counsel, prison conditions are more restrictive, parole eligibility is determined by the Utah Board of Pardons and Parole rather than local judges, and the collateral consequences of a prison sentence are more severe including loss of professional licenses, housing eligibility, and employment opportunities.

Even if a judge sentences you to probation rather than prison for a felony DUI, the conviction itself remains a felony. You cannot avoid the felony label by serving your sentence in jail rather than prison. The classification of the offense, not the place of incarceration, determines whether you are a convicted felon.

Facing a felony DUI charge is overwhelming, but you do not have to navigate the legal system alone. The moment you understand what you are up against, you can begin building a defense. Whether this is your third DUI, an accident involving injury, or a charge involving a minor, the stakes could not be higher. Need help understanding your specific situation? A qualified Utah DUI defense attorney can review the facts of your case and explain your options.

About the Author: Daniel Banks is a legal content strategist who writes about Utah criminal defense, DUI law, and personal injury law. His work helps individuals facing criminal charges understand their legal rights and options under Utah law.

This article is for informational purposes only and does not constitute legal advice. Consult with a qualified Utah criminal defense attorney for advice specific to your situation.