2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires): home charging cost in South Carolina

In South Carolina, home electricity runs 16.04¢/kWh — put a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires)'s EPA-rated 37.4 kWh/100mi against that and 100 miles costs $6.01, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 62.5% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) charged at home in South Carolina costs about $901/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,502 a year.

What one full charge costs

A 2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) needs roughly 132.5 kWh to reach its EPA-rated 354-mile range, which runs about $21.26 at 16.04¢/kWh in South Carolina.

2027 BMW i7 xDrive50 Sedan (20 inch All-Season Tires) in South Carolina, ranked

This combination ranks 9,486 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive50 Sedan (20 inch All-Season Tires) alone ranks 204 of 400 models for efficiency; South Carolina alone ranks 27 of 51 states for electricity price.

Getting set up to charge a 2027 BMW i7 xDrive50 Sedan (20 inch All-Season 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.

Get quotes from local electricians for Level 2 charger installation in South Carolina before deciding.

Where these figures come from

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. At 16.04¢/kWh, South Carolina sits in the middle of the national range — the guide to why charging cost varies by state shows where.