What it costs to charge a 2026 GMC SIERRA EV Ext Range (19kW Charger) in South Carolina

At South Carolina's residential electricity rate of 16.04¢/kWh, a 2026 GMC SIERRA EV Ext Range (19kW Charger) (rated 52.4 kWh per 100 miles by the EPA) costs $8.41 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. That works out to 47.5% cheaper per mile than gasoline in South Carolina — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2026 GMC SIERRA EV Ext Range (19kW Charger) in South Carolina runs about $1,261 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,142 saved annually, at this mileage.

What one full charge costs

$32.37 — that's what South Carolina's 16.04¢/kWh rate puts on the 201.8 kWh a 2026 GMC SIERRA EV Ext Range (19kW Charger) needs for its full 385-mile EPA range.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 GMC SIERRA EV Ext Range (19kW Charger) in South Carolina ranks 15,675 for cost savings versus gas — 1 being the best deal nationally. Separately, the GMC SIERRA EV Ext Range (19kW Charger) ranks 397 of 400 EV models for raw efficiency, and South Carolina ranks 27 of 51 for cheapest residential electricity.

Next step: home charger installation

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Line up a few South Carolina electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.