$13.12full charge
The Q4 Sportback e-tron Premium Plus 55 (82 kWh) costs about $13.12 to charge fully at Mississippi's average home rate of 14.54¢/kWh, including ~10% charging loss (90.2 kWh from the wall). That is $5.23 per 100 miles.
EIA residential average, Mississippi, 2026-07 (latest in this book). No Mississippi gasoline series, so this uses PADD 3 regular, week of Oct 5, 2026.
At 1,000 miles a month and 30 mpg, home charging costs $52.25 and the gas car costs $130.37. The EV saves $78.12 a month at $3.911/gal. Both miles and mpg are editable on the calculator.
The listed DC fast-charge time to 80% is 28 minutes at up to 175 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.