Charging a 2027 Cadillac OPTIQ RWD 19kW Charger at home in Oklahoma

At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2027 Cadillac OPTIQ RWD 19kW Charger (rated 32.1 kWh per 100 miles by the EPA) costs $4.29 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 73.2% cheaper per mile than gasoline in Oklahoma — charging at home costs a fraction of what gas would here.

2027 Cadillac OPTIQ RWD 19kW Charger: yearly cost in Oklahoma

Oklahoma owners putting 15,000 annual miles on a 2027 Cadillac OPTIQ RWD 19kW Charger spend about $643 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,760 saved annually, at this mileage.

Filling up the 2027 Cadillac OPTIQ RWD 19kW Charger, in dollars

At Oklahoma's rate, fully covering this 2027 Cadillac OPTIQ RWD 19kW Charger's 317-mile EPA range costs about $13.6 (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 19kW Charger in Oklahoma ranks 1,723 for cost savings versus gas — 1 being the best deal nationally. Separately, the Cadillac OPTIQ RWD 19kW Charger ranks 89 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.

Next step: home charger installation

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 Oklahoma electrician to quote the install before this math becomes a real decision.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Oklahoma is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.