2027 Audi RS e-tron GT Performance: home charging cost in Oklahoma
At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2027 Audi RS e-tron GT Performance (rated 40.2 kWh per 100 miles by the EPA) costs $5.37 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 costs a fraction of what gas would here: 66.5% less than gas per mile, here specifically.
What a year of driving costs
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Audi RS e-tron GT Performance charged at home in Oklahoma costs about $806/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,597 a year.
Filling up the 2027 Audi RS e-tron GT Performance, in dollars
A 2027 Audi RS e-tron GT Performance needs roughly 111.7 kWh to reach its EPA-rated 278-mile range, which runs about $14.93 at 13.37¢/kWh in Oklahoma.
2027 Audi RS e-tron GT Performance in Oklahoma, ranked
This combination ranks 6,337 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi RS e-tron GT Performance alone ranks 272 of 400 models for efficiency; Oklahoma alone ranks 5 of 51 states for electricity price.
Getting set up to charge a 2027 Audi RS e-tron GT Performance 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.
Ask a licensed Oklahoma electrician to quote the install before this math becomes a real decision.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Oklahoma is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.