What’s the Difference Between DUI and DWI in Washington?

There is no difference between DUI and DWI in Washington because state law does not treat them as separate criminal offenses.

The state’s impaired driving law uses the term DUI (driving under the influence), although many people still use DWI (driving while intoxicated) to describe the same type of charge.

Whether an officer says DUI or DWI, the possible penalties, court process, and defense strategies are generally the same. If you were arrested, a Seattle DUI defense lawyer from Puget Law Group will explain the charge, protect your rights, and help you understand what happens next.

DUI vs. DWI in Washington: A Side-by-Side Comparison

Many states use DUI and DWI, sometimes giving each term a different legal meaning. Washington is different.

Puget Law Group often answers questions from people who believe they were charged with a different offense because an officer, news report, or insurance company used the term DWI.

DUI	DWI For a free legal consultation , call (253) 627-4696
Official legal term used in Washington	A common phrase that many people still use
Appears in Washington’s impaired driving law	Not a separate criminal charge under Washington law
Covers impairment by alcohol, drugs, or a combination of substances	Usually refers to the same conduct as DUI
Carries the same penalties because it is not a different offense	Does not create separate penalties

Why Do People in Washington Still Say DWI?

Many people use DUI and DWI interchangeably because they have heard both terms over the years. In some states, the two terms have different legal meanings, which adds to the confusion.

Puget Law Group helps clients understand that Washington courts generally use DUI as the legal term, even though both phrases are commonly heard in everyday conversation.

A Washington DUI Can Involve More Than Alcohol

Many people believe a DUI only happens when someone’s blood alcohol concentration (BAC) exceeds the legal limit. That is only part of Washington’s law.

A person may be charged with DUI if an officer believes their ability to drive was affected by:

• Alcohol
• Prescription medication
• Marijuana
• Illegal drugs
• A combination of alcohol and drugs

While 0.08% is the legal limit for most adult drivers, a person may still be charged with DUI if law enforcement believes alcohol, drugs, or another substance impaired their ability to drive safely.

How Police Decide Whether Someone Is Impaired

A DUI investigation usually involves several different pieces of evidence instead of just one test.

Officer Observations

Police officers may describe driving behavior, speech, balance, coordination, bloodshot eyes, or the odor of alcohol or marijuana.

Field Sobriety Tests

These roadside exercises are designed to help officers look for signs of impairment. Medical conditions, injuries, age, and uneven pavement can sometimes affect performance.

Breath Testing

A breath test (breathalyzer test) estimates a driver’s blood alcohol concentration (BAC). For most adult drivers, Washington’s legal limit is 0.08%.

Different limits apply to certain drivers, including:

• 0.02% for drivers under age 21
• 0.04% for commercial drivers

Blood Testing

Blood tests may be used when officers suspect drug impairment or need additional evidence beyond a breath test.

Puget Law Group’s DUI attorneys carefully review every part of the investigation to determine whether officers followed the law.

What Penalties Can Follow a Washington DUI? 

The penalties for a Washington DUI depend on the circumstances of the arrest and the driver’s history.

Factors that may affect the outcome include:

• Your prior offenses
• Your blood alcohol concentration
• Whether someone was injured
• Whether a child was in the vehicle
• Whether you refused certain testing

Possible consequences may include:

• Jail time
• Fines
• License suspension
• Ignition interlock device requirements
• Alcohol or drug treatment
• Probation

Most DUI charges in Washington are prosecuted as gross misdemeanors. In some situations, repeated impaired driving offenses or cases involving serious injuries or deaths may lead to more serious felony charges, including a Class B felony under Washington law.

How Our DUI Defense Attorney May Challenge the Case

Every DUI case depends on its own facts. After reviewing the evidence, Puget Law Group may examine whether:

• The traffic stop was lawful
• Officers had probable cause
• Field sobriety tests were properly given
• Breath or blood testing procedures were followed correctly
• Medical conditions affected the results
• Witness statements conflict with the officer’s report
• The prosecution has enough evidence to prove impairment

Every piece of evidence deserves careful review because the outcome of a DUI case often depends on how the facts were gathered and presented.

What Happens After a Washington DUI Arrest? 

After a Washington DUI arrest, two legal matters may move forward at the same time. One involves the criminal case, and the other may affect your driving privileges through the Washington Department of Licensing (DOL).

Depending on the circumstances, a person may face:

• Criminal court appearances
• Driver’s license issues
• Bail conditions
• Ignition interlock requirements
• Requests from prosecutors

Puget Law Group helps clients understand both processes and the deadlines that may apply. Taking action early may provide more opportunities to review the evidence and respond to the charges.

Whether your case is in Seattle Municipal Court, King County District Court, or another Washington court, getting legal advice early can help you understand the next steps.

FAQs About DUI vs. DWI in Washington

Even after understanding that DUI and DWI mean the same thing in Washington, you may still have questions about how the law works. These answers explain several issues that often come up after an arrest. 

Is DWI a Lesser Offense Than DUI in Washington?

Washington law does not treat DWI as a separate offense. In most situations, DUI and DWI refer to the same impaired driving charge. Even if someone uses different wording, the court process and potential penalties remain the same.

Do Prior Offenses Make a DUI More Serious?

Washington law generally increases penalties for repeat impaired driving convictions. Prior convictions can affect sentencing, license consequences, and other parts of the case.

Is a DUI a Felony in Washington State? 

Most first-time DUI charges in Washington are filed as gross misdemeanors rather than felonies. However, some DUI cases can be charged as felonies depending on the driver’s criminal history or the circumstances of the offense. In some situations, a felony DUI may be charged as a Class B felony. 

Whether a DUI is charged as a misdemeanor or felony depends on the facts of the case. Our attorney can review the allegations, explain the possible charges, and discuss the legal options available. 

Will I Go to Jail for a First DUI in Washington State?

Jail time is possible. A first DUI conviction in Washington does not always mean a long jail sentence, but state law does include mandatory minimum penalties in many cases. The sentence may depend on factors such as your BAC, whether you refused a breath or blood test, and the facts surrounding the arrest.

Even if this is your first DUI, the case can affect your driver’s license, finances, and criminal record. Puget Law Group will review the evidence, explain the possible penalties, and work to protect your rights throughout the case. 

How Much Worse Is a DUI Than a DWI?

In Washington, it is not worse because there is no legal difference between a DUI and a DWI. Washington law uses the term DUI, while DWI is simply another phrase people often use to describe impaired driving. Changing the name does not change the charge or the potential penalties. 

How Long Does a DWI Stay on Your Record in Washington State?

Because Washington does not recognize DWI as a separate offense, this question is really about a DUI conviction. A DUI conviction generally remains on your criminal record and your driving record permanently. Unlike many other misdemeanor convictions, a Washington DUI generally cannot be vacated.

Although Washington uses a seven-year lookback period when determining penalties for repeat DUI offenses, that does not mean the conviction disappears after seven years. It may still appear on your record even after that period has passed. 

Talk With Our Defense Team About a Washington DUI Charge

Whether someone calls the offense a DUI or DWI, the possible consequences can be serious. The Seattle criminal defense lawyers at Puget Law Group help people understand the charges they face.

Whether it is your first DUI or a repeat offense, our lawyers explain how blood alcohol concentration, prior offenses, and other facts may affect a case, and build defenses based on the evidence.

Founded in 2013, our team includes 11 attorneys, nine of whom are former DUI prosecutors, and brings more than 150 years of combined legal experience to criminal defense.

With offices in Seattle, Tacoma, Bellevue, Olympia, Kent, and Port Orchard, Puget Law Group offers a free consultation to discuss your legal options after a Washington DUI arrest. Call us today.