A DUI charge can be upgraded to a felony if: A wreck occurred that led to serious bodily harm of another person; The offender has multiple DUI convictions. In some states, the DUI becomes a felony if the offender is arrested for a fourth time. Driving under the influence can apply to operating a vehicle, bike, boat, airplane, tractor and even riding a horse. The offender’s blood alcohol level must be at .08 or higher, according to most state laws. Felony DUI charges usually carry a stiff prison sentence. In California, an offender can be sentenced to up to 10 years in prison. In addition, the offender can expect a lengthy probation sentence, fines, and community service. If a wreck was involved where others were injured, the offender may be required to pay restitution to the victims. In most states, the Department of Motor Vehicles is responsible for determining what will happen to a person’s driving privileges. In many cases, a felony DUI conviction can result in a license revocation.