What it costs to charge a 2026 Mercedes-Benz EQS 450 4matic in Rhode Island

A 2026 Mercedes-Benz EQS 450 4matic draws 37 kWh per 100 miles per the EPA; at Rhode Island's 29.45¢/kWh residential rate that's $10.9 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 32% 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 2026 Mercedes-Benz EQS 450 4matic in Rhode Island runs about $1,634 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $768 saved annually, at this mileage.

What one full charge costs

$39.99 — that's what Rhode Island's 29.45¢/kWh rate puts on the 135.8 kWh a 2026 Mercedes-Benz EQS 450 4matic needs for its full 367-mile EPA range.

2026 Mercedes-Benz EQS 450 4matic in Rhode Island, ranked

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQS 450 4matic in Rhode Island ranks 18,248 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQS 450 4matic ranks 196 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

Every figure on this page traces to a named EIA or EPA dataset — see the methodology guide. 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.