2027 BMW iX3 50 xDrive (20 inch Summer Tires): home charging cost in Tennessee

At Tennessee's residential electricity rate of 13.9¢/kWh, a 2027 BMW iX3 50 xDrive (20 inch Summer Tires) (rated 28.6 kWh per 100 miles by the EPA) costs $3.97 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 costs a fraction of what gas would here: 75.2% 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 2027 BMW iX3 50 xDrive (20 inch Summer Tires) charged at home in Tennessee costs about $595/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,808 a year.

What one full charge costs

A 2027 BMW iX3 50 xDrive (20 inch Summer Tires) needs roughly 123.9 kWh to reach its EPA-rated 434-mile range, which runs about $17.22 at 13.9¢/kWh in Tennessee.

How this compares nationally

This combination ranks 879 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The BMW iX3 50 xDrive (20 inch Summer Tires) alone ranks 32 of 400 models for efficiency; Tennessee alone ranks 13 of 51 states for electricity price.

Before you install a home charger in Tennessee

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 Tennessee electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 13.9¢/kWh, Tennessee sits in the middle of the national range — the guide to why charging cost varies by state shows where.