2027 Audi S6 e-tron (21 inch wheels): home charging cost in District of Columbia
In District of Columbia, home electricity runs 24.54¢/kWh — put a 2027 Audi S6 e-tron (21 inch wheels)'s EPA-rated 33.8 kWh/100mi against that and 100 miles costs $8.29, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 48.2% 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 S6 e-tron (21 inch wheels) charged at home in District of Columbia costs about $1,244/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,159 a year.
What one full charge costs
A 2027 Audi S6 e-tron (21 inch wheels) needs roughly 105.1 kWh to reach its EPA-rated 311-mile range, which runs about $25.79 at 24.54¢/kWh in District of Columbia.
Where this ranks
This combination ranks 15,493 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi S6 e-tron (21 inch wheels) alone ranks 118 of 400 models for efficiency; District of Columbia alone ranks 42 of 51 states for electricity price.
Before you install a home charger in District of Columbia
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 District of Columbia before deciding.
Where these figures come from
Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. Curious how District of Columbia's 24.54¢/kWh compares? The guide to charging cost by state ranks every state side by side.