Aggravated DUI in South Dakota Adds Years to Your SR-22 Filing

South Dakota classifies a DUI as aggravated if your BAC measures .17 or higher — exactly twice the legal limit of .08. This threshold is lower than the .20 standard used in Montana, Wyoming, and North Dakota, which means you can trigger aggravated status with fewer drinks than in neighboring states. For context, a 180-pound male typically reaches .17 BAC after four to five standard drinks consumed within two hours.

The aggravated classification also applies if you caused bodily injury to another person during the DUI, refused chemical testing under implied consent, or had a minor under 16 in the vehicle. Each of these triggers carries the same extended SR-22 filing period as high BAC, but injury-related cases often stack additional charges that lengthen reinstatement timelines beyond the SR-22 requirement itself.

South Dakota does not use a separate 'super DUI' statute like some states. Instead, the aggravated designation appears in your court sentencing and directly determines your SR-22 filing duration. You'll see it referenced in your DMV reinstatement notice, not your initial citation.

Aggravated DUI typically increases your South Dakota insurance premium by 90–140% over clean-record rates, compared to 70–100% for standard first-offense DUI. The statewide average monthly cost for SR-22 coverage after aggravated DUI runs $180–$260 for minimum liability, though rural counties with lower traffic density sometimes see rates 20% below that range.

Most major carriers — State Farm, Allstate, Geico, Progressive — will file SR-22 for existing customers but non-renew your policy at the six-month or annual term. You'll receive non-renewal notice 30–60 days before expiration and need to move into the non-standard market. Carriers writing new policies for aggravated DUI in South Dakota include Dairyland, Bristol West, The General, GAINSCO, and Direct Auto, though not all operate in every county.

Rates drop gradually during your five-year filing period if you maintain continuous coverage without claims or violations. Expect a 10–15% reduction at year three and another 15–20% reduction once the SR-22 requirement ends, assuming you move back to a standard carrier. Drivers who stack a second violation during the filing period lose access to rate reduction entirely and often face policy cancellation mid-term.

South Dakota does not allow early termination of SR-22 filing for aggravated DUI. The five-year requirement is statutory under SDCL 32-12A-32 and cannot be shortened by petition, good driving record, or completion of additional DUI programs beyond what the court ordered at sentencing.

Some drivers confuse the SR-22 filing period with probation or ignition interlock device requirements, which courts sometimes reduce for demonstrated compliance. Those are separate obligations. Even if your probation ends early or your IID is removed after 18 months, you still owe the full five years of SR-22 filing measured from reinstatement.

The only path to ending SR-22 early is expungement of the underlying DUI conviction, which South Dakota allows for first-offense misdemeanor DUI after completing all sentencing terms and waiting one year. Expungement removes the conviction from your criminal record but does not automatically remove the SR-22 requirement — you must petition the DMV separately for early release and provide proof of expungement. Success rates for DMV early release are low even with expungement, and aggravated DUI convictions are rarely expunged because they carry mandatory minimum jail time that courts are reluctant to erase.