Charging a 2026 Mercedes-Benz EQE 320 Plus at home in Oklahoma

At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2026 Mercedes-Benz EQE 320 Plus (rated 35.6 kWh per 100 miles by the EPA) costs $4.76 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 70.3% cheaper per mile than gasoline in Oklahoma — charging at home costs a fraction of what gas would here.

What a year of driving costs

Oklahoma owners putting 15,000 annual miles on a 2026 Mercedes-Benz EQE 320 Plus spend about $714 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $1,688 saved annually, at this mileage.

Cost of a full charge

At Oklahoma's rate, fully covering this 2026 Mercedes-Benz EQE 320 Plus's 308-mile EPA range costs about $14.67 (109.7 kWh) — the energy the EPA test actually used, not the battery's rated size.

Where this ranks

Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Mercedes-Benz EQE 320 Plus in Oklahoma ranks 3,457 for cost savings versus gas — 1 being the best deal nationally. Separately, the Mercedes-Benz EQE 320 Plus ranks 161 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.

Before you install a home charger in Oklahoma

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

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