Charging a 2027 Vinfast VF 9 Plus at home in Maryland

In Maryland, home electricity runs 21.27¢/kWh — put a 2027 Vinfast VF 9 Plus's EPA-rated 49.8 kWh/100mi against that and 100 miles costs $10.59, versus $16.02 for a gas car averaging 25.5 mpg. That works out to 33.9% cheaper per mile than gasoline in Maryland — charging at home is cheaper than gas here.

What a year of driving costs

Maryland owners putting 15,000 annual miles on a 2027 Vinfast VF 9 Plus spend about $1,588 on home electricity, compared to about $2,403 a gas-car equivalent would spend on fuel. Call it about $815 saved annually, at this mileage.

Cost of a full charge

At Maryland's rate, fully covering this 2027 Vinfast VF 9 Plus's 287-mile EPA range costs about $30.39 (142.9 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 2027 Vinfast VF 9 Plus in Maryland ranks 17,977 for cost savings versus gas — 1 being the best deal nationally. Separately, the Vinfast VF 9 Plus ranks 385 of 400 EV models for raw efficiency, and Maryland ranks 39 of 51 for cheapest residential electricity.

Before you install a home charger in Maryland

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 Maryland electrician quotes for Level 2 install before you commit either way.

More on how this number was built

The methodology guide names the exact EIA and EPA tables behind this page's numbers. Maryland's 21.27¢/kWh rate ranks 39 of 51 states; the state rate guide lays out the full spread.