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

A 2027 Mercedes-Benz EQS 400 4matic (SUV) draws 43 kWh per 100 miles per the EPA; at Oklahoma's 13.37¢/kWh residential rate that's $5.75 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. That works out to 64.1% cheaper per mile than gasoline in Oklahoma — charging at home is much cheaper than gas here.

What a year of driving costs

Home charging this 2027 Mercedes-Benz EQS 400 4matic (SUV) in Oklahoma runs about $862 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,541 saved annually, at this mileage.

Cost of a full charge

$17.94 — that's what Oklahoma's 13.37¢/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 Oklahoma ranks 8,246 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 Oklahoma ranks 5 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.

Ask a licensed Oklahoma 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 2027 Mercedes-Benz EQS 400 4matic (SUV)'s cost in Oklahoma. Oklahoma is one of the cheapest states for home electricity — the guide to why the cost varies so much by state covers what drives that.