Charging a 2026 Audi Q4 Sportback 55 e-tron quattro at home in Rhode Island
A 2026 Audi Q4 Sportback 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.
Annual cost, at 15 thousands miles a year
Rhode Island owners putting 15,000 annual miles on a 2026 Audi Q4 Sportback 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.
Filling up the 2026 Audi Q4 Sportback 55 e-tron quattro, in dollars
At Rhode Island's rate, fully covering this 2026 Audi Q4 Sportback 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.
2026 Audi Q4 Sportback 55 e-tron quattro in Rhode Island, ranked
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Audi Q4 Sportback 55 e-tron quattro in Rhode Island ranks 17,631 for cost savings versus gas — 1 being the best deal nationally. Separately, the Audi Q4 Sportback 55 e-tron quattro ranks 141 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.
Ask a licensed Rhode Island electrician to quote the install before this math becomes a real decision.
More on how this number was built
See the methodology guide for exactly which EIA and EPA figures feed 2026 Audi Q4 Sportback 55 e-tron quattro's cost in Rhode Island. 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.