New Hampshire home charging cost for the 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires)
A 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires) draws 36.8 kWh per 100 miles per the EPA; at New Hampshire's 26.83¢/kWh residential rate that's $9.86 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is cheaper than gas here: 38.4% 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 xDrive50 Sedan (21 inch Summer Tires) costs roughly $1,479 a year to charge at home in New Hampshire, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $924 a year.
Filling up the 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires), in dollars
Covering the 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires)'s EPA-rated 364-mile range takes about 133.8 kWh, which costs about $35.9 at New Hampshire'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 17,289 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (21 inch Summer Tires) alone ranks 184 of 400 models for efficiency; New Hampshire alone ranks 43 of 51 states for electricity price.
Next step: home charger installation
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 New Hampshire before deciding.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2027 BMW i7 xDrive50 Sedan (21 inch Summer Tires)'s cost in New Hampshire. Curious how New Hampshire's 26.83¢/kWh compares? The guide to charging cost by state ranks every state side by side.