South Dakota DUI Laws & Penalties (2026)
South Dakota has a 10-year lookback for DUI charges. A 3rd DUI becomes a felony.
South Dakota DUI Penalties
1st Offense
2nd Offense
BAC Limits in South Dakota
💰 Estimated Total Cost
A first DUI in South Dakota typically costs $10,000-$25,000+ including fines, attorney, classes, IID, and insurance increases.
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South Dakota DUI Deep Dives
🚨 First Offense Penalties
Complete guide to what happens on your first DUI in South Dakota.
🍺 BAC Limit
Legal BAC limits for standard, commercial, and under-21 drivers.
💰 DUI Cost
Full cost breakdown: fines, attorney, classes, insurance, and more.
🔧 Ignition Interlock Cost
IID installation, monthly fees, and provider comparison.
🚫 License Suspension
Suspension length, restricted license options, and reinstatement steps.
🧮 Cost Calculator
Estimate your total DUI cost with our interactive tool.
Official Sources & References
- 📋 S.D. Codified Laws § 32-23-1 — South Dakota DUI statute
- 🚗 South Dakota DMV — License suspension, reinstatement, IID requirements
- 📊 NHTSA Impaired Driving Data
- 🛡️ MADD — Mothers Against Drunk Driving
DUIFinders.com is not a law firm and does not provide legal advice. Information is for general purposes only. Consult a licensed attorney in South Dakota for advice specific to your situation.
South Dakota DUI FAQ
What is the BAC limit in South Dakota?
The legal BAC limit in South Dakota is 0.08% for regular drivers, 0.04% for commercial drivers, and 0.02% for drivers under 21.
What are the penalties for a first DUI in South Dakota?
A first DUI in South Dakota is a Class 1 misdemeanor. Penalties include Up to 1 year jail, Up to $2,000 in fines, and 30-day revocation + 30 days restricted license suspension.
Is an ignition interlock device required in South Dakota?
Required for repeat offenders
Can a DUI be expunged in South Dakota?
No, South Dakota does not allow DUI expungement.
What is the lookback period for DUI in South Dakota?
South Dakota uses a 10-year lookback period to determine if an offense counts as a repeat offense.