Understanding the Difference between dui and dwi is important for drivers facing impaired driving charges or trying to learn how traffic laws work. The Difference between dui and dwi often depends on state law, as DUI usually means “Driving Under the Influence,” while DWI may stand for “Driving While Intoxicated” or “Driving While Impaired.” In some states, both terms mean the same thing, while in others, one offense may involve a higher level of intoxication or carry more serious penalties. Consequences can include fines, license suspension, increased insurance rates, mandatory education programs, or even jail time depending on the circumstances and local regulations.