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

At Texas's residential electricity rate of 16.11¢/kWh, a 2026 Audi Q4 45 e-tron (rated 29.4 kWh per 100 miles by the EPA) costs $4.74 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: 70.4% less than gas per mile, here specifically.

2026 Audi Q4 45 e-tron: yearly cost in Texas

Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2026 Audi Q4 45 e-tron charged at home in Texas costs about $711/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $1,692 a year.

Cost of a full charge

A 2026 Audi Q4 45 e-tron needs roughly 84.7 kWh to reach its EPA-rated 288-mile range, which runs about $13.64 at 16.11¢/kWh in Texas.

How this compares nationally

This combination ranks 3,406 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; Texas alone ranks 28 of 51 states for electricity price.

Getting set up to charge a 2026 Audi Q4 45 e-tron 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 Texas 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 Audi Q4 45 e-tron's cost in Texas. At 16.11¢/kWh, Texas sits in the middle of the national range — the guide to why charging cost varies by state shows where.