To obtain a license in South Dakota, an applicant must be at least: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question To obtain a license in South Dakota, an applicant must be at least: Answers 14 years old. 16 years old. 18 years old. Explanation In South Dakota, you must be at least 14 to obtain a driver license. You must also meet all other state requirements. This questions appears in the following tests: South Dakota Motorcycle Practice Test 3 South Dakota Motorcycle Practice Test 18