2026 BMW iX xDrive45 (20 inch Wheels): home charging cost in Illinois

A 2026 BMW iX xDrive45 (20 inch Wheels) draws 36 kWh per 100 miles per the EPA; at Illinois's 19.22¢/kWh residential rate that's $6.92 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 56.8% less than gas per mile, here specifically.

What a year of driving costs

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 BMW iX xDrive45 (20 inch Wheels) charged at home in Illinois costs about $1,038/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,365 a year.

Filling up the 2026 BMW iX xDrive45 (20 inch Wheels), in dollars

A 2026 BMW iX xDrive45 (20 inch Wheels) needs roughly 112.3 kWh to reach its EPA-rated 312-mile range, which runs about $21.58 at 19.22¢/kWh in Illinois.

How this compares nationally

This combination ranks 12,861 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW iX xDrive45 (20 inch Wheels) alone ranks 168 of 400 models for efficiency; Illinois alone ranks 36 of 51 states for electricity price.

Before you install a home charger in Illinois

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 Illinois 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. At 19.22¢/kWh, Illinois sits in the middle of the national range — the guide to why charging cost varies by state shows where.