Charging a 2026 Audi Q4 55 e-tron quattro at home in Rhode Island

A 2026 Audi Q4 55 e-tron quattro draws 34.6 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $10.2 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 36.3% cheaper per mile than gasoline in Rhode Island — charging at home is cheaper than gas here.

2026 Audi Q4 55 e-tron quattro: yearly cost in Rhode Island

Rhode Island owners putting 15,000 annual miles on a 2026 Audi Q4 55 e-tron quattro spend about $1,530 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $873 saved annually, at this mileage.

Cost of a full charge

At Rhode Island's rate, fully covering this 2026 Audi Q4 55 e-tron quattro's 251-mile EPA range costs about $25.6 (86.9 kWh) — the energy the EPA test actually used, not the battery's rated size.

How this compares nationally

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Audi Q4 55 e-tron quattro in Rhode Island ranks 17,630 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi Q4 55 e-tron quattro ranks 140 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.

Before you install a home charger in Rhode Island

Everything above is the per-mile and per-year cost once a home charger exists — getting one installed is a separate electrical job whose price depends on your panel and wiring, not the state average used here.

Get quotes from local electricians for Level 2 charger installation in Rhode Island before deciding.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Rhode Island has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.