South Dakota state guide
South Dakota motor vehicle excise tax
South Dakota imposes a 4% motor vehicle excise tax rather than ordinary vehicle sales tax. A qualifying trade-in reduces vehicle value for excise tax; rebates or down payments do not reduce the taxable basis.
Title and registration
The calculator includes the $10 title fee and $2 technology fee. Registration depends on weight, year and county charges, and EVs have a $100 annual fee, so exact registration stays external.
Worked example
A $30,000 vehicle with a $5,000 qualifying trade-in uses a $25,000 excise-tax base and produces $1,000 of motor vehicle excise tax.
Calculate your own scenario
Adjust the vehicle price, trade-in, financing terms, and other inputs above to estimate your own South Dakota vehicle purchase.
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