$15.40full charge
The RS e-tron GT Performance (97 kWh) costs about $15.40 to charge fully at Wyoming's average home rate of 14.43¢/kWh, including about 10% charging loss (106.7 kWh from the wall). That is $5.54 per 100 miles.
EIA residential average, Wyoming, 2026-08 (latest in this book). No Wyoming gasoline series, so this uses PADD 4 regular, week of Oct 19, 2026.
At 1,000 miles a month and 30 mpg, home charging costs $55.38 and the gas car costs $148.93. The EV saves $93.55 a month at $4.468/gal. Both miles and mpg are editable on the calculator.
The listed DC fast-charge time is 10–80% in 18 min (estimate) at up to 320 kW. A full home charge is a different session. This page prices the energy from the wall, not how long a Level 2 charger takes.
This page uses the residential rate. Public fast-charging prices are a separate scenario and are not included.