2027 Cadillac OPTIQ RWD 19kW Charger: home charging cost in District of Columbia
In District of Columbia, home electricity runs 24.54¢/kWh — put a 2027 Cadillac OPTIQ RWD 19kW Charger's EPA-rated 32.1 kWh/100mi against that and 100 miles costs $7.87, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 50.9% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Cadillac OPTIQ RWD 19kW Charger charged at home in District of Columbia costs about $1,181/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,222 a year.
Filling up the 2027 Cadillac OPTIQ RWD 19kW Charger, in dollars
A 2027 Cadillac OPTIQ RWD 19kW Charger needs roughly 101.7 kWh to reach its EPA-rated 317-mile range, which runs about $24.96 at 24.54¢/kWh in District of Columbia.
2027 Cadillac OPTIQ RWD 19kW Charger in District of Columbia, ranked
This combination ranks 14,835 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Cadillac OPTIQ RWD 19kW Charger alone ranks 89 of 400 models for efficiency; District of Columbia alone ranks 42 of 51 states for electricity price.
Getting set up to charge a 2027 Cadillac OPTIQ RWD 19kW Charger at home
The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.
Line up a few District of Columbia electrician quotes for Level 2 install before you commit either way.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 24.54¢/kWh, District of Columbia sits in the middle of the national range — the guide to why charging cost varies by state shows where.