Is DWI the Same as DUI?

DWI vs DUI on Long Island: Understanding the Difference

You hear both terms all the time, often in the same sentence, and it’s easy to assume they mean the same thing. In everyday conversation, people use DWI and DUI interchangeably to describe drunk or drug-related driving charges. But if you were arrested on Long Island, the exact label matters because New York law doesn’t technically use “DUI.” Understanding the difference helps you read your charge correctly, plan a smart defense, and avoid common mistakes that can make your situation worse.

The Short Answer

DWI and DUI point to the same type of conduct: impaired driving. However, they’re not always the same charge. “DUI” is a broad, national shorthand: driving under the influence of alcohol and/or drugs. New York’s statutes use DWI (driving while intoxicated) and DWAI (driving while ability impaired) with specific thresholds and categories. So if your arrest happened in Suffolk or Nassau County, your paperwork would reference New York Vehicle & Traffic Law §1192 with one of the following:

DWI “per se” (§1192(2)): Blood alcohol concentration (BAC) 0.08% or higher (0.04% for commercial drivers).
Common-law DWI (§1192(3)): You’re “intoxicated” based on observations, even without a 0.08 reading.
Aggravated DWI (§1192(2-a)(a)): 0.18% BAC or higher.
DWAI-Alcohol (§1192(1)): “Ability impaired” by alcohol—often tied to 0.05%–0.07% BAC or noticeable impairment.
DWAI-Drugs (§1192(4)): Impairment by a drug (prescription, over-the-counter, or illegal) proven through evaluation and testing.
DWAI-Combination (§1192(4-a)): Alcohol plus a drug.
Zero Tolerance (VTL §1192-a): Under 21 with 0.02%–0.07% BAC—handled administratively at DMV.
Leandra’s Law (§1192(2-a)(b)): DWI with a child under 16 in the vehicle—a felony regardless of your record.

In other states, you might see “DUI,” “OUI,” or “OVI.” They describe similar behavior but use different names, standards, and penalties. That’s why searching for a “DUI lawyer” will still bring up New York attorneys, but the case documents here will say DWI/DWAI, not DUI.

Why the Label Matters in New York

Two arrests that look identical on the surface can carry very different consequences depending on the subsection cited:

Criminal vs. traffic offense: DWI is a crime (misdemeanor or felony). DWAI-Alcohol can be a traffic infraction for a first offense, which affects background checks and professional licensing differently.
Mandatory penalties: Aggravated DWI triggers stiffer fines, longer revocations, and ignition interlock requirements.
Drug impairment: DWAI-Drugs requires different proof (and often a Drug Recognition Expert). Breath numbers aren’t the whole story; lab work, prescription records, and the officer’s procedures come into play.
Under-21 drivers: “Zero Tolerance” cases often start at DMV, not criminal court, but can still lead to license penalties that complicate school, work, and insurance.
Leandra’s Law: The presence of a child passenger transforms a case—bail decisions, felony exposure, and CPS involvement can all follow.

Common Myths I Hear from Clients

“My BAC was under 0.08, so I’m fine.” Not necessarily. New York can charge DWAI-Alcohol below 0.08 if your ability to drive was impaired.
“They can’t charge me without a breath test.” They can. Common-law DWI is based on observations and field tests. Refusing a chemical test also triggers separate DMV penalties (license revocation and a civil penalty) even if the criminal case is later dismissed.
“Prescription meds can’t lead to a DWI.” They can, if they impair your driving. The label’s warning matters, and prosecutors may use the bottle, dosing, and DRE findings against you.
“If I’m polite and explain myself, the officer will let me go.” Honest statements often become the state’s best evidence. You have the right to remain silent and to ask for a lawyer.

What a Strong Defense Looks at on Long Island

Every case is different, but effective defenses usually drill into details like:

The stop: Was there a legal basis to pull you over? A bad stop can suppress key evidence.
Field sobriety tests: Were they properly explained and performed on suitable ground and lighting?
Breath or blood testing: Was the device maintained and calibrated? Were observation periods respected? Was the blood draw handled and stored correctly?
Body-cam and dash-cam: Video can contradict narrative reports about speech, balance, or driving pattern.
Medical conditions: Acid reflux, diabetes (acetone on breath), injuries, or neurological conditions can mimic impairment.
Timeline: “Rising BAC” can matter if you drank shortly before driving and the test occurred later.
DWAI-Drugs specifics: DRE protocols, toxicology cutoffs, and whether the substance actually impairs at the level detected.

Practical Next Steps if You’re Charged

Read the ticket/complaint carefully. Look for the exact §1192 subsection—that’s your charge.
Calendar your court date and the DMV hearing (if you refused a test). Missing either can worsen penalties.
Save everything: Receipts, medication bottles, text timestamps, and names of witnesses from the night in question.
Stop posting about the incident. Social media gets found.
Talk to a local DWI attorney quickly. Early action can secure videos, challenge license issues, and shape negotiations.

Bottom Line

DWI and DUI describe the same idea but in New York, they are not the same charge on paper. New York uses DWI/DWAI with precise categories that affect your exposure, your license, and your future. If your arrest happened in Suffolk or Nassau County, make sure your guidance is tailored to New York’s rules, not generic “DUI” advice you found online for another state.

Contact Us

If you or a loved one were charged on Long Island, I’m here to help. I’m Ed Palermo, a Long Island criminal defense attorney with decades of experience representing people in DWI and related cases in Suffolk and Nassau. Contact me for a free, confidential consultation and let’s review your charge, protect your license, and start building your defense today.