What it costs to charge a 2026 Cadillac OPTIQ AWD (19 kW Charger) in South Dakota

At South Dakota's residential electricity rate of 14.33¢/kWh, a 2026 Cadillac OPTIQ AWD (19 kW Charger) (rated 34 kWh per 100 miles by the EPA) costs $4.88 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. That works out to 69.6% cheaper per mile than gasoline in South Dakota — charging at home costs a fraction of what gas would here.

2026 Cadillac OPTIQ AWD (19 kW Charger): yearly cost in South Dakota

Home charging this 2026 Cadillac OPTIQ AWD (19 kW Charger) in South Dakota runs about $731 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,672 saved annually, at this mileage.

What one full charge costs

$14.77 — that's what South Dakota's 14.33¢/kWh rate puts on the 103.1 kWh a 2026 Cadillac OPTIQ AWD (19 kW Charger) needs for its full 303-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Cadillac OPTIQ AWD (19 kW Charger) in South Dakota ranks 3,939 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ AWD (19 kW Charger) ranks 126 of 400 EV models for raw efficiency, and South Dakota ranks 14 of 51 for cheapest residential electricity.

Getting set up to charge a 2026 Cadillac OPTIQ AWD (19 kW Charger) at home

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Get quotes from local electricians for Level 2 charger installation in South Dakota before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how South Dakota's 14.33¢/kWh compares? The guide to charging cost by state ranks every state side by side.