South Carolina home charging cost for the 2026 Audi Q4 Sportback 55 e-tron quattro
In South Carolina, home electricity runs 16.04¢/kWh — put a 2026 Audi Q4 Sportback 55 e-tron quattro's EPA-rated 34.6 kWh/100mi against that and 100 miles costs $5.55, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 65.3% 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 Audi Q4 Sportback 55 e-tron quattro costs roughly $833 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 $1,570 a year.
Cost of a full charge
Covering the 2026 Audi Q4 Sportback 55 e-tron quattro's EPA-rated 251-mile range takes about 86.9 kWh, which costs about $13.94 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 7,283 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi Q4 Sportback 55 e-tron quattro alone ranks 141 of 400 models for efficiency; South Carolina alone ranks 27 of 51 states for electricity price.
Getting set up to charge a 2026 Audi Q4 Sportback 55 e-tron quattro 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
The methodology guide names the exact EIA and EPA tables behind this page's numbers. South Carolina's 16.04¢/kWh rate ranks 27 of 51 states; the state rate guide lays out the full spread.