What it costs to charge a 2026 Volvo EX40 Twin in Oklahoma
At Oklahoma's residential electricity rate of 13.37¢/kWh, a 2026 Volvo EX40 Twin (rated 36 kWh per 100 miles by the EPA) costs $4.81 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% cheaper per mile than gasoline in Oklahoma — charging at home costs a fraction of what gas would here.
2026 Volvo EX40 Twin: yearly cost in Oklahoma
Home charging this 2026 Volvo EX40 Twin in Oklahoma runs about $722 over fueleconomy.gov's default 15,000 annual miles, versus about $2,403 for the gasoline equivalent. Call it about $1,681 saved annually, at this mileage.
Filling up the 2026 Volvo EX40 Twin, in dollars
$12.51 — that's what Oklahoma's 13.37¢/kWh rate puts on the 93.5 kWh a 2026 Volvo EX40 Twin needs for its full 260-mile EPA range.
Where this ranks
Among all 20,400 state-and-model combinations this site tracks, charging a 2026 Volvo EX40 Twin in Oklahoma ranks 3,647 for cost savings versus gas — 1 being the best deal nationally. Separately, the Volvo EX40 Twin ranks 166 of 400 EV models for raw efficiency, and Oklahoma ranks 5 of 51 for cheapest residential electricity.
Getting set up to charge a 2026 Volvo EX40 Twin at home
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 Oklahoma 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 2026 Volvo EX40 Twin'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.