Updated July 2026
What Is Full Coverage Car Insurance Insurance?
Full coverage combines three distinct protection layers: liability coverage that pays for damage you cause to others, collision coverage that repairs your vehicle after an accident regardless of fault, and comprehensive coverage that handles non-collision damage like theft, hail, or hitting a deer. South Dakota requires liability at minimum 25/50/25 limits, but collision and comprehensive are optional unless your lender mandates them. The term full coverage misleads many drivers into believing it covers everything — it doesn't cover mechanical breakdowns, normal wear and tear, or damage from driving on an unpermitted suspended license.
- You slide through a stop sign on ice and total your financed SUV. The other driver has medical bills and vehicle damage totaling $18,000. Your liability coverage pays the other driver's costs up to your policy limits. Your collision coverage pays to replace your SUV minus your deductible, and that payment goes to your lender first to satisfy the loan. Without collision coverage, you'd still owe the lender the full loan balance even though the vehicle is totaled.
- Hail damages your paid-off sedan, causing $4,200 in body and glass damage. Your comprehensive coverage pays the repair cost minus your deductible. If you had dropped comprehensive after paying off the loan to save on premiums, you'd pay the full $4,200 out of pocket. The decision to keep comprehensive on an older paid-off vehicle depends on whether the annual premium justifies the protection given the vehicle's current value.
- You hit a deer on a rural South Dakota highway at night, causing $7,800 in front-end damage. Comprehensive coverage pays this claim because animal collisions fall under comprehensive, not collision. Liability-only coverage would leave you responsible for the full repair cost. South Dakota's high deer population makes comprehensive coverage particularly relevant for drivers who regularly travel rural routes.
Who Needs Full Coverage Car Insurance Insurance?
Full coverage makes sense for drivers financing or leasing a vehicle, since lenders require it to protect their collateral. It's also appropriate for drivers whose vehicle value exceeds $5,000 and who couldn't afford to replace it out of pocket after a total loss. South Dakota drivers who commute on rural highways with high deer activity should strongly consider comprehensive coverage even on older vehicles, given the frequency and cost of animal-strike claims.
Compare your vehicle's current market value to the annual cost of collision and comprehensive coverage. If the combined premium exceeds 10 percent of the vehicle's value, you're approaching the threshold where self-insuring makes financial sense. Factor in your deductible — if your vehicle is worth $4,000 and your deductible is $1,000, the maximum net payout after a total loss is $3,000, which may not justify the annual premium depending on your risk tolerance and savings position.
How Much Does Full Coverage Car Insurance Insurance Cost?
Full coverage in South Dakota typically adds $85 to $160 per month compared to liability-only coverage, though this varies widely based on vehicle value, driver age, and deductible selections.
- Vehicle value and replacement cost — newer or higher-value vehicles cost more to insure because collision and comprehensive claims pay based on actual cash value or replacement cost.
- Deductible amount — choosing a $1,000 deductible instead of $500 lowers your premium by 15 to 25 percent but increases your out-of-pocket cost per claim.
- Driving record and claims history — at-fault accidents and comprehensive claims in the past three years increase full coverage premiums more sharply than they affect liability-only rates.
- Geographic location within South Dakota — urban areas with higher theft and collision rates cost more for comprehensive and collision coverage than rural counties.
- Credit-based insurance score — South Dakota allows insurers to use credit history in pricing, and full coverage premiums are more sensitive to credit score than liability premiums.
- Annual mileage — vehicles driven over 15,000 miles per year face higher collision risk and correspondingly higher premiums for collision coverage.