2026 BMW i7 xDrive60 Sedan (20 inch Wheels): home charging cost in South Carolina

At South Carolina's residential electricity rate of 16.04¢/kWh, a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) (rated 40.8 kWh per 100 miles by the EPA) costs $6.54 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 59.2% less than gas per mile, here specifically.

2026 BMW i7 xDrive60 Sedan (20 inch Wheels): yearly cost in South Carolina

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) charged at home in South Carolina costs about $981/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,422 a year.

Cost of a full charge

A 2026 BMW i7 xDrive60 Sedan (20 inch Wheels) needs roughly 120.6 kWh to reach its EPA-rated 296-mile range, which runs about $19.35 at 16.04¢/kWh in South Carolina.

How this compares nationally

This combination ranks 11,585 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 xDrive60 Sedan (20 inch Wheels) alone ranks 276 of 400 models for efficiency; South Carolina alone ranks 27 of 51 states for electricity price.

Before you install a home charger in South Carolina

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 South Carolina 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. Curious how South Carolina's 16.04¢/kWh compares? The guide to charging cost by state ranks every state side by side.