What it costs to charge a 2027 Mercedes-Benz EQS 400 4matic (SUV) in Rhode Island

At Rhode Island's residential electricity rate of 29.45¢/kWh, a 2027 Mercedes-Benz EQS 400 4matic (SUV) (rated 43 kWh per 100 miles by the EPA) costs $12.66 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. That works out to 21% cheaper per mile than gasoline in Rhode Island — charging at home is cheaper than gas here.

What a year of driving costs

Home charging this 2027 Mercedes-Benz EQS 400 4matic (SUV) in Rhode Island runs about $1,900 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $503 saved annually, at this mileage.

What one full charge costs

$39.51 — that's what Rhode Island's 29.45¢/kWh rate puts on the 134.2 kWh a 2027 Mercedes-Benz EQS 400 4matic (SUV) needs for its full 312-mile EPA range.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2027 Mercedes-Benz EQS 400 4matic (SUV) in Rhode Island ranks 19,370 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQS 400 4matic (SUV) ranks 324 of 400 EV models for raw efficiency, and Rhode Island ranks 47 of 51 for cheapest residential electricity.

Next step: home charger installation

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.

Line up a few Rhode Island electrician quotes for Level 2 install before you commit either way.

More on how this number was built

See the methodology guide for exactly which EIA and EPA figures feed 2027 Mercedes-Benz EQS 400 4matic (SUV)'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.