Colorado DUI/DWAI Laws & Penalties (2026)
Colorado uses a lifetime lookback period, meaning all prior DUI offenses count regardless of when they occurred. The state also has a lesser DWAI charge for BAC 0.05-0.08%.
Colorado DUI/DWAI Penalties
1st Offense
2nd Offense
BAC Limits in Colorado
💰 Estimated Total Cost
A first DUI/DWAI in Colorado typically costs $10,000-$25,000+ including fines, attorney, classes, IID, and insurance increases.
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Colorado DUI/DWAI Deep Dives
🚨 First Offense Penalties
Complete guide to what happens on your first DUI/DWAI in Colorado.
🍺 BAC Limit
Legal BAC limits for standard, commercial, and under-21 drivers.
💰 DUI/DWAI 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/DWAI cost with our interactive tool.
Official Sources & References
- 📋 Colo. Rev. Stat. § 42-4-1301 — Colorado DUI/DWAI statute
- 🚗 Colorado 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 Colorado for advice specific to your situation.
Colorado DUI/DWAI FAQ
What is the BAC limit in Colorado?
The legal BAC limit in Colorado 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/DWAI in Colorado?
A first DUI/DWAI in Colorado is a Misdemeanor. Penalties include 5 days–1 year jail, $600–$1,000 in fines, and 9-month revocation license suspension.
Is an ignition interlock device required in Colorado?
Required for 8 months minimum
Can a DUI/DWAI be expunged in Colorado?
No, Colorado does not allow DUI/DWAI expungement.
What is the lookback period for DUI/DWAI in Colorado?
Colorado uses a Lifetime lookback period to determine if an offense counts as a repeat offense.