Delaware home charging cost for the 2027 Vinfast VF 9 Plus

A 2027 Vinfast VF 9 Plus draws 49.8 kWh per 100 miles per the EPA; at Delaware's 17.74¢/kWh residential rate that's $8.83 per 100 miles charged at home, versus $16.02 for a 25.5-mpg gas car covering the same distance. Charging at home is much cheaper than gas here: 44.9% less than gas per mile, here specifically.

What a year of driving costs

At fueleconomy.gov's default of 15,000 annual miles, the 2027 Vinfast VF 9 Plus costs roughly $1,325 a year to charge at home in Delaware, against roughly $2,403 a year for an equivalent gas car. That's a savings of about $1,078 a year.

What one full charge costs

Covering the 2027 Vinfast VF 9 Plus's EPA-rated 287-mile range takes about 142.9 kWh, which costs about $25.34 at Delaware's residential rate — figured from the EPA's own combined range and consumption numbers, not the pack's nameplate capacity.

2027 Vinfast VF 9 Plus in Delaware, ranked

This combination ranks 16,171 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Vinfast VF 9 Plus alone ranks 385 of 400 models for efficiency; Delaware alone ranks 33 of 51 states for electricity price.

Before you install a home charger in Delaware

The numbers above assume Level 2 home charging is already in place — the electrical work behind that is a real, separate cost that varies by panel, wiring, and local labor rates, not something this page's per-mile math includes.

Ask a licensed Delaware electrician to quote the install before this math becomes a real decision.

Where these figures come from

The methodology guide names the exact EIA and EPA tables behind this page's numbers. At 17.74¢/kWh, Delaware sits in the middle of the national range — the guide to why charging cost varies by state shows where.