Washington home charging cost for the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)

A 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) draws 37.4 kWh per 100 miles per the EPA; at Washington's 14.35¢/kWh residential rate that's $5.37 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 66.5% less than gas per mile, here specifically.

2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires): yearly cost in Washington

At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires) costs roughly $806 a year to charge at home in Washington, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,597 a year.

What one full charge costs

Covering the 2027 BMW i7 xDrive50 Sedan (21 inch All-Season Tires)'s EPA-rated 354-mile range takes about 132.5 kWh, which costs about $19.02 at Washington's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 6,356 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (21 inch All-Season Tires) alone ranks 205 of 400 models for efficiency; Washington alone ranks 15 of 51 states for electricity price.

Before you install a home charger in Washington

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.

Ask a licensed Washington electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Washington's 14.35¢/kWh rate ranks 15 of 51 states; the state rate guide lays out the full spread.