2027 Mercedes-Benz CLA350 4matic with EQ Tech: home charging cost in Hawaii
In Hawaii, home electricity runs 45.95¢/kWh — put a 2027 Mercedes-Benz CLA350 4matic with EQ Tech's EPA-rated 29 kWh/100mi against that and 100 miles costs $13.33, versus $16.02 for a gas car averaging 25.5 mpg. Charging at home is cheaper than gas here: 16.8% less than gas per mile, here specifically.
Annual cost, at 15 thousands miles a year
Driving 15,000 miles a year — fueleconomy.gov's own default assumption — a 2027 Mercedes-Benz CLA350 4matic with EQ Tech charged at home in Hawaii costs about $1,999/year in electricity, against about $2,403/year for the gas-car comparison. That's a savings of about $404 a year.
What one full charge costs
A 2027 Mercedes-Benz CLA350 4matic with EQ Tech needs roughly 90.5 kWh to reach its EPA-rated 312-mile range, which runs about $41.58 at 45.95¢/kWh in Hawaii.
2027 Mercedes-Benz CLA350 4matic with EQ Tech in Hawaii, ranked
This combination ranks 19,648 of 20,400 state/model pairs for cost savings against gas (1 is cheapest). The Mercedes-Benz CLA350 4matic with EQ Tech alone ranks 40 of 400 models for efficiency; Hawaii alone ranks 51 of 51 states for electricity price.
Before you install a home charger in Hawaii
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.
Line up a few Hawaii electrician quotes for Level 2 install before you commit either way.
Where these figures come from
The methodology guide names the exact EIA and EPA tables behind this page's numbers. Hawaii has some of the highest residential electricity rates in the country — see the guide to why the cost varies so much by state for the full picture.