2027 Audi A6 e-tron quattro ultra: home charging cost in South Carolina

A 2027 Audi A6 e-tron quattro ultra draws 28.7 kWh per 100 miles per the EPA; at South Carolina's 16.04¢/kWh residential rate that's $4.61 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a fraction of what gas would here: 71.2% less than gas per mile, here specifically.

2027 Audi A6 e-tron quattro ultra: yearly cost in South Carolina

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Audi A6 e-tron quattro ultra charged at home in South Carolina costs about $692/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,711 a year.

Cost of a full charge

A 2027 Audi A6 e-tron quattro ultra needs roughly 103.5 kWh to reach its EPA-rated 360-mile range, which runs about $16.6 at 16.04¢/kWh in South Carolina.

Where this ranks

This combination ranks 2,854 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi A6 e-tron quattro ultra alone ranks 33 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.

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

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.