Colorado Ignition Interlock Cost Calculator 2026
State-specific DUI cost estimates for Colorado, including fines, attorney fees, SR-22 insurance, ignition interlock, and more.
Your Colorado DUI estimate will appear here
Answer the questions and press the button. You will get a low, typical and high figure, with each cost listed on its own line.
- Uses this state's own fines, suspension and interlock rules
- Market costs such as attorney fees are labelled as estimates
- Free, and nothing to sign up for
Colorado DUI FAQ
How much does a DUI cost in Colorado?
Attorney fees for a first-offense DUI in Colorado typically run $2,000 to $7,500 on our estimates, and the fine is $600 to $1,000 before court costs. Adding insurance, interlock, education, reinstatement and lost time from work, our calculator puts a typical first offense at about $21,734 (range $11,846 to $34,030) with its default answers; the median of our 50 state estimates is $17,615.
How long is your license suspended for a first DUI in Colorado?
A first-offense DUI conviction in Colorado carries a license suspension of 270 days. A hardship or restricted license may be available during this period.
Is an ignition interlock device required in Colorado for a first DUI?
Yes. Colorado requires an ignition interlock device for 8 months following a first DUI conviction.
How long is SR-22 insurance required after a DUI in Colorado?
Colorado requires SR-22 high-risk insurance filing for 3 years following a DUI conviction.
Can a DUI be expunged in Colorado?
Colorado does not allow DUI convictions to be expunged. Some states have other ways to limit who can see a record, such as sealing, which this site does not cover yet.
Colorado DUI figures this calculator uses
- Ignition interlock, first offense
- 8 months
- Ignition interlock, second offense
- 24 months
- Ignition interlock, third offense
- 24 months
- Required for every offense
- Yes
- Typical monthly lease and monitoring (estimate)
- $75
Statutory figures were checked against Colorado law (primary source) and last verified May 2026. Typical ranges are market estimates, not law; see our methodology.
Worked example
With the calculator's default answers (offense number: First offense; number of vehicles you own: 1 vehicle):
| Cost | Typical |
|---|---|
| Installation Fee | $100 |
| Monthly Lease and Monitoring (8 months) | $600 |
| Calibration and Service Visits | $88 |
| Removal Fee | $75 |
| Estimated total (range $697 to $1,093) | $863 |
Change the answers in the calculator above to see your own estimate.
On our estimates, a typical first-offense DUI in Colorado comes to about $21,734, the 13th highest of the 50 states. The median of our 50 state estimates is $17,615. These come from the total-cost calculator with its default answers, not from a national survey.
Start Here
Colorado DUI Total Cost Calculator →Colorado DUI Overview
All Colorado DUI Calculators & Laws →Related Calculators
Colorado Attorney Cost →Colorado Total Cost →Colorado SR-22 Insurance →Colorado Suspension Timeline →Related Guide
Complete DUI Cost Guide by State →