2026 BMW i7 M70 xDrive Sedan (21"), CO Charging Cost

Colorado home charging cost for the 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels)

At Colorado's residential electricity rate of 16.65¢/kWh, a 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels) (rated 42.5 kWh per 100 miles by the EPA) costs $7.07 to drive 100 miles on home charging, against $16.02 for the same distance in a car averaging 25.5 mpg on gasoline at $4.085/gallon. Charging at home is much cheaper than gas here: 55.9% 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 i7 M70 xDrive Sedan (21 inch Wheels) costs roughly $1,060 a year to charge at home in Colorado, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,343 a year.

Cost of a full charge

Covering the 2026 BMW i7 M70 xDrive Sedan (21 inch Wheels)'s EPA-rated 285-mile range takes about 121 kWh, which costs about $20.14 at Colorado'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 13,176 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW i7 M70 xDrive Sedan (21 inch Wheels) alone ranks 310 of 400 models for efficiency; Colorado alone ranks 30 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 Colorado before deciding.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Curious how Colorado's 16.65¢/kWh compares? The guide to charging cost by state ranks every state side by side.