Hawaii home charging cost for the 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels)

A 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) draws 30.8 kWh per 100 miles per the EPA; at Hawaii's 45.95¢/kWh residential rate that's $14.17 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: 11.6% 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 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) costs roughly $2,125 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 $278 a year.

What one full charge costs

Covering the 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels)'s EPA-rated 251-mile range takes about 77.4 kWh, which costs about $35.56 at Hawaii's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) in Hawaii, ranked

This combination ranks 19,850 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i4 eDrive35 Gran Coupe (19 inch Wheels) alone ranks 72 of 400 models for efficiency; Hawaii alone ranks 51 of 51 states for electricity price.

Before you install a home charger in Hawaii

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

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.