2027 Audi A6 e-tron: home charging cost in Hawaii

A 2027 Audi A6 e-tron draws 30.3 kWh per 100 miles per the EPA; at Hawaii's 45.95¢/kWh residential rate that's $13.94 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home costs a little less than gas here: 13% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Audi A6 e-tron charged at home in Hawaii costs about $2,091/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $312 a year.

Filling up the 2027 Audi A6 e-tron, in dollars

A 2027 Audi A6 e-tron needs roughly 105.6 kWh to reach its EPA-rated 348-mile range, which runs about $48.52 at 45.95¢/kWh in Hawaii.

2027 Audi A6 e-tron in Hawaii, ranked

This combination ranks 19,801 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi A6 e-tron alone ranks 65 of 400 models for efficiency; Hawaii alone ranks 51 of 51 states for electricity price.

Getting set up to charge a 2027 Audi A6 e-tron at home

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.

Line up a few Hawaii electrician quotes for Level 2 install before you commit either way.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2027 Audi A6 e-tron's cost in Hawaii. Hawaii has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.