Yes, auto insurance is required in South Dakota. South Dakota law mandates that all drivers carry liability insurance coverage for their vehicles. Liability insurance helps cover the costs of injuries or property damage that you may cause to others in an accident. The minimum liability coverage requirements in South Dakota are $25,000 for bodily injury per person, $50,000 for bodily injury per accident, and $25,000 for property damage. These minimum coverage limits are often referred to as 25/50/25 coverage. It's important to note that these are just the minimum requirements, and it's generally recommended to carry higher coverage limits to adequately protect yourself financially in case of an accident. Failure to maintain the required auto insurance coverage in South Dakota can result in penalties, such as fines, license suspension, and even vehicle impoundment. It's always a good idea to consult with an insurance professional or your insurance provider to ensure you have the appropriate coverage for your needs and to comply with the state's requirements.