Hawaii home charging cost for the 2027 Audi S6 e-tron (21 inch wheels)

A 2027 Audi S6 e-tron (21 inch wheels) draws 33.8 kWh per 100 miles per the EPA; at Hawaii's 45.95¢/kWh residential rate that's $15.53 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: 3.1% less than gas per mile, here specifically.

Annual cost, at 15 thousands miles a year

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Audi S6 e-tron (21 inch wheels) costs roughly $2,329 a year to charge at home in Hawaii, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $74 a year.

Filling up the 2027 Audi S6 e-tron (21 inch wheels), in dollars

Covering the 2027 Audi S6 e-tron (21 inch wheels)'s EPA-rated 311-mile range takes about 105.1 kWh, which costs about $48.29 at Hawaii's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

Where this ranks

This combination ranks 20,050 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; Hawaii alone ranks 51 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 Hawaii before deciding.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. 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.