Charging a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) at home in Illinois

At Illinois's residential electricity rate of 19.22¢/kWh, a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) (rated 38.4 kWh per 100 miles by the EPA) costs $7.38 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 54% cheaper per mile than gasoline in Illinois — charging at home is much cheaper than gas here.

Annual cost, at 15 thousands miles a year

Illinois owners putting 15,000 annual miles on a 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) spend about $1,106 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,296 saved annually, at this mileage.

Cost of a full charge

At Illinois's rate, fully covering this 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires)'s 344-mile EPA range costs about $25.38 (132 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 BMW i7 xDrive60 Sedan (20 inch All-Season Tires) in Illinois ranks 13,925 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (20 inch All-Season Tires) ranks 222 of 400 EV models for raw efficiency, and Illinois ranks 36 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 Illinois 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 2027 BMW i7 xDrive60 Sedan (20 inch All-Season Tires)'s cost in Illinois. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.