Delaware home charging cost for the 2026 Audi Q4 55 e-tron quattro
In Delaware, home electricity runs 17.74¢/kWh — put a 2026 Audi Q4 55 e-tron quattro's EPA-rated 34.6 kWh/100mi against that and 100 miles costs $6.14, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is much cheaper than gas here: 61.7% less than gas per mile, here specifically.
What a year of driving costs
At fueleconomy.gov's default of 15,000 annual miles, the 2026 Audi Q4 55 e-tron quattro costs roughly $921 a year to charge at home in Delaware, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,482 a year.
Filling up the 2026 Audi Q4 55 e-tron quattro, in dollars
Covering the 2026 Audi Q4 55 e-tron quattro's EPA-rated 251-mile range takes about 86.9 kWh, which costs about $15.42 at Delaware's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.
How this compares nationally
This combination ranks 10,027 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi Q4 55 e-tron quattro alone ranks 140 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.
Next step: home charger installation
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 Delaware before deciding.
Where these figures come from
See the methodology guide for exactly which EIA and EPA figures feed 2026 Audi Q4 55 e-tron quattro's cost in Delaware. Delaware's 17.74¢/kWh rate ranks 33 of 51 states; the state rate guide lays out the full spread.