2027 Cadillac OPTIQ RWD (11kW)

Charging a 2027 Cadillac OPTIQ RWD 11kW Charger at home in South Dakota

At South Dakota's residential electricity rate of 14.33¢/kWh, a 2027 Cadillac OPTIQ RWD 11kW Charger (rated 32.1 kWh per 100 miles by the EPA) costs $4.6 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 71.3% cheaper per mile than gasoline in South Dakota — charging at home costs a fraction of what gas would here.

Annual cost, at 15 thousands miles a year

South Dakota owners putting 15,000 annual miles on a 2027 Cadillac OPTIQ RWD 11kW Charger spend about $690 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,713 saved annually, at this mileage.

Cost of a full charge

At South Dakota's rate, fully covering this 2027 Cadillac OPTIQ RWD 11kW Charger's 317-mile EPA range costs about $14.57 (101.7 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Cadillac OPTIQ RWD 11kW Charger in South Dakota ranks 2,792 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ RWD 11kW Charger ranks 88 of 400 EV models for raw efficiency, and South Dakota ranks 14 of 51 for cheapest residential electricity.

Getting set up to charge a 2027 Cadillac OPTIQ RWD 11kW 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.

Ask a licensed South Dakota electrician to quote the install before this math becomes a real decision.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Cadillac OPTIQ RWD 11kW Charger's cost in South Dakota. South Dakota's 14.33¢/kWh rate ranks 14 of 51 states; the state rate guide lays out the full spread.