A second DUI in Illinois is generally classified as a Class A misdemeanor.
Jail: 5 days (or 240 hours community service) – 1 year; mandatory min 5 days jail OR 240 hrs community service
Fine: $0–$2,500 (plus costs)
License suspension: 5-year revocation (second within 20 years) – 5 years; hardship: Restricted Driving Permit (RDP) with BAIID via Secretary of State hearing
Ignition interlock: Required
Summary suspension: 12 months (failure) / 3 years (refusal) with a prior within 5 years — no MDDP for repeat offenders.
Lookback period: lifetime. NO washout period — a 20-year-old prior counts for enhancement, and completed COURT SUPERVISION counts as a prior for felony enhancement (People v. Sheehan). Third violation ever = aggravated DUI felony.
Some links on this site are paid advertising and we may be compensated when you use them. Advertising never affects which statutes or penalties we report — how this site makes money.