2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels): home charging cost in Idaho

In Idaho, home electricity runs 12.8¢/kWh — put a 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels)'s EPA-rated 30.8 kWh/100mi against that and 100 miles costs $3.95, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 75.4% 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 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) charged at home in Idaho costs about $592/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,811 a year.

Cost of a full charge

A 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) needs roughly 77.4 kWh to reach its EPA-rated 251-mile range, which runs about $9.91 at 12.8¢/kWh in Idaho.

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

This combination ranks 795 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; Idaho alone ranks 3 of 51 states for electricity price.

Getting set up to charge a 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels) 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.

Ask a licensed Idaho electrician to quote the install before this math becomes a real decision.

Where these figures come from

See the methodology guide for exactly which EIA and EPA figures feed 2026 BMW i4 eDrive35 Gran Coupe (19 inch Wheels)'s cost in Idaho. Idaho is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.