$35.70full charge
The EQS Sedan 500 4MATIC (122 kWh) costs about $35.70 to charge fully at New Hampshire's average home rate of 26.60¢/kWh, including ~10% charging loss (134.2 kWh from the wall). That is $8.06 per 100 miles.
EIA residential average, New Hampshire, 2026-07 (latest in this book). No New Hampshire gasoline series, so this uses PADD 1A regular, week of Oct 5, 2026.
At 1,000 miles a month and 30 mpg, home charging costs $80.58 and the gas car costs $144.77. The EV saves $64.19 a month at $4.343/gal. Both miles and mpg are editable on the calculator.
The listed DC fast-charge time to 80% is 30 minutes at up to 430 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.