Charging a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) at home in Arizona
In Arizona, home electricity runs 15.45¢/kWh — put a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires)'s EPA-rated 38.3 kWh/100mi against that and 100 miles costs $5.92, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 63.1% cheaper per mile than gasoline in Arizona — charging at home is much cheaper than gas here.
What a year of driving costs
Arizona owners putting 15,000 annual miles on a 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) spend about $887 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,516 saved annually, at this mileage.
What one full charge costs
At Arizona's rate, fully covering this 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires)'s 348-mile EPA range costs about $20.59 (133.2 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 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) in Arizona ranks 8,945 for cost savings versus gas — 1 being the best deal nationally. Separately, the BMW i7 xDrive60 Sedan (21 inch Summer Tires) ranks 221 of 400 EV models for raw efficiency, and Arizona ranks 25 of 51 for cheapest residential electricity.
Before you install a home charger in Arizona
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 Arizona electrician to quote the install before this math becomes a real decision.
More on how this number was built
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Arizona's 15.45¢/kWh rate ranks 25 of 51 states; the state rate guide lays out the full spread.