A DUI becomes an aggravated DUI if you: Were driving without a license or insurance. Caused bodily harm to a minor under 16 or while driving through a school zone. Were driving a school bus with at least one passenger under 18. An aggravated DUI with multiple deaths is a class X felony, and brings penalties that may include prison for 6-30 years and fines of up to $25,000. The penalties get higher for multiple DUI convictions.