South Dakota Ignition Interlock Cost Calculator 2026
South Dakota does not require an ignition interlock after a first DUI conviction, so there is no first-offense device cost to add up. Change the offense level below to price a second or third offense.
Your South Dakota 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
South Dakota DUI FAQ
How much does a DUI cost in South Dakota?
Attorney fees for a first-offense DUI in South Dakota typically run $1,500 to $7,500 on our estimates, and the fine is $0 to $2,000 before court costs. Adding insurance, interlock, education, reinstatement and lost time from work, our calculator puts a typical first offense at about $12,832 (range $6,038 to $20,241) 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 South Dakota?
A first-offense DUI conviction in South Dakota carries a license suspension of 30 days. A hardship or restricted license may be available during this period.
Is an ignition interlock device required in South Dakota for a first DUI?
Our South Dakota data shows no interlock requirement for a first-offense DUI.
How long is SR-22 insurance required after a DUI in South Dakota?
South Dakota requires SR-22 high-risk insurance filing for 3 years following a DUI conviction.
Can a DUI be expunged in South Dakota?
South Dakota 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.
South Dakota DUI figures this calculator uses
- Ignition interlock, first offense
- None
- Ignition interlock, second offense
- 12 months
- Ignition interlock, third offense
- 12 months
- Required for every offense
- No
- Typical monthly lease and monitoring (estimate)
- $80
Statutory figures were checked against South Dakota 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):
South Dakota does not require an ignition interlock device after a first DUI conviction, so there is no device cost to estimate. A second DUI conviction carries a 12-month interlock requirement.
Change the answers in the calculator above to see your own estimate.
On our estimates, a typical first-offense DUI in South Dakota comes to about $12,832, the 44th 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.
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South Dakota Attorney Cost →South Dakota Total Cost →South Dakota SR-22 Insurance →South Dakota Suspension Timeline →Related Guide
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