District of Columbia home charging cost for the 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires)

A 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) draws 38.3 kWh per 100 miles per the EPA; at District of Columbia's 24.54¢/kWh residential rate that's $9.4 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 41.3% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires) costs roughly $1,409 a year to charge at home in District of Columbia, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $994 a year.

What one full charge costs

Covering the 2027 BMW i7 xDrive60 Sedan (21 inch Summer Tires)'s EPA-rated 348-mile range takes about 133.2 kWh, which costs about $32.7 at District of Columbia'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 16,844 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; District of Columbia alone ranks 42 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.

Ask a licensed District of Columbia electrician to quote the install before this math becomes a real decision.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 24.54¢/kWh, District of Columbia sits in the middle of the national range — the guide to why charging cost varies by state shows where.