2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires): home charging cost in Connecticut

At Connecticut's residential electricity rate of 28.82¢/kWh, a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) (rated 38.3 kWh per 100 miles by the EPA) costs $11.03 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. Charging at home is cheaper than gas here: 31.1% 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 BMW i7 xDrive60 Sedan (21 inch Summer Tires) charged at home in Connecticut costs about $1,655/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $748 a year.

Filling up the 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires), in dollars

A 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) needs roughly 133.2 kWh to reach its EPA-rated 348-mile range, which runs about $38.4 at 28.82¢/kWh in Connecticut.

How this compares nationally

This combination ranks 18,348 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (21 inch Summer Tires) alone ranks 221 of 400 models for efficiency; Connecticut alone ranks 45 of 51 states for electricity price.

Getting set up to charge a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) 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.

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

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Connecticut's 28.82¢/kWh compares? The guide to charging cost by state ranks every state side by side.