2026 Audi Q4 45 e-tron: home charging cost in Ohio

In Ohio, home electricity runs 18.53¢/kWh — put a 2026 Audi Q4 45 e-tron's EPA-rated 29.4 kWh/100mi against that and 100 miles costs $5.45, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home costs a fraction of what gas would here: 66% 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 Audi Q4 45 e-tron charged at home in Ohio costs about $817/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,586 a year.

Filling up the 2026 Audi Q4 45 e-tron, in dollars

A 2026 Audi Q4 45 e-tron needs roughly 84.7 kWh to reach its EPA-rated 288-mile range, which runs about $15.69 at 18.53¢/kWh in Ohio.

2026 Audi Q4 45 e-tron in Ohio, ranked

This combination ranks 6,706 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Audi Q4 45 e-tron alone ranks 48 of 400 models for efficiency; Ohio alone ranks 34 of 51 states for electricity price.

Before you install a home charger in Ohio

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 Ohio 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 18.53¢/kWh, Ohio sits in the middle of the national range — the guide to why charging cost varies by state shows where.