South Carolina home charging cost for the 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels)

In South Carolina, home electricity runs 16.04¢/kWh — put a 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels)'s EPA-rated 31.1 kWh/100mi against that and 100 miles costs $4.99, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 68.9% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels) costs roughly $748 a year to charge at home in South Carolina, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,655 a year.

Filling up the 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels), in dollars

Covering the 2026 BMW i4 eDrive40 Gran Coupe (19 inch Wheels)'s EPA-rated 307-mile range takes about 95.5 kWh, which costs about $15.31 at South Carolina's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

How this compares nationally

This combination ranks 4,474 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i4 eDrive40 Gran Coupe (19 inch Wheels) alone ranks 77 of 400 models for efficiency; South Carolina alone ranks 27 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.

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.