Charging a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) at home in Connecticut

In Connecticut, home electricity runs 28.82¢/kWh — put a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels)'s EPA-rated 28.5 kWh/100mi against that and 100 miles costs $8.22, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 48.7% cheaper per mile than gasoline in Connecticut — charging at home is much cheaper than gas here.

What a year of driving costs

Connecticut owners putting 15,000 annual miles on a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) spend about $1,233 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,170 saved annually, at this mileage.

What one full charge costs

At Connecticut's rate, fully covering this 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels)'s 333-mile EPA range costs about $27.38 (95 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels) in Connecticut ranks 15,365 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i4 eDrive40 Gran Coupe (18 inch wheels) ranks 31 of 400 EV models for raw efficiency, and Connecticut ranks 45 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.

Line up a few Connecticut electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2026 BMW i4 eDrive40 Gran Coupe (18 inch wheels)'s cost in Connecticut. At 28.82¢/kWh, Connecticut sits in the middle of the national range — the guide to why charging cost varies by state shows where.