2027 head-to-head · Compact Car

2027 Genesis G70 vs Mercedes-Benz CLA-Class EV

MPG, range and what each one really costs you to fuel, from official EPA ratings and recalculated with your own gas and electricity prices.

Swap sides
✓ Cheaper to run
$2,469/ year to fuel
24 MPG
✓ Cheaper to run
$729/ year to fuel
126 MPGe

The 2027 Mercedes-Benz CLA-Class EV is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, it costs about $729 a year to fuel (126 MPGe), versus $2,469 for the 2027 Genesis G70 (24 MPG). That's roughly $1,740 a year, or about $8,699 over five years.

Your numbers

Change these to match your driving and local prices. Every figure and chart on this page updates.

Fuel cost over 10 years

  • Genesis G70
  • Mercedes-Benz CLA-Class EV

Side by side

Genesis G70Mercedes-Benz CLA-Class EV
$2,469 Your annual fuel cost $729
24 MPG Combined efficiency 126 MPGe
21 MPG City 127 MPGe
29 MPG Highway 124 MPGe
— Electricity use (kWh/100 mi) 27 kWh
— Driving range 374 mi
94 cu ft Passenger volume 91 cu ft
10 cu ft Cargo volume 12 cu ft
373 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
5/10 EPA fuel economy score 10/10
5/10 EPA greenhouse gas score 10/10
— Charge time at 240V 8.8 hrs
Gas Powertrain Electric
Premium gasoline Fuel Electricity
2.5L 4-cyl turbo Engine / motor Electric motor (200 kW)
8-speed automatic Transmission Single-speed
RWD Drivetrain RWD

✓ marks the better value. EPA scores run 1–10 (10 is best). Volumes come from the EPA interior volume index and aren't published for every body style.

Genesis G70 vs Mercedes-Benz CLA-Class EV across model years

  • Genesis G70
  • Mercedes-Benz CLA-Class EV

Annual fuel cost of the most efficient configuration of each model year, at your prices. Click a point to open that year.

How they differ

Per EPA interior volume figures, the Genesis G70 has more passenger space (94 vs. 91 cu ft); the Mercedes-Benz CLA-Class EV has more cargo space (12 vs. 10 cu ft).

Among 13 2027 compact cars, the Genesis G70 ranks 13th and the Mercedes-Benz CLA-Class EV 1st for lowest fuel cost.

Because the Mercedes-Benz CLA-Class EV is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Genesis G70; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2027 Genesis G70 or the 2027 Mercedes-Benz CLA-Class EV?

Measured by cost to drive, the Mercedes-Benz CLA-Class EV. The Genesis G70 is rated 24 MPG combined and the Mercedes-Benz CLA-Class EV 126 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2027 Genesis G70 vs. the Mercedes-Benz CLA-Class EV per year?

At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,469 for the Genesis G70 and $729 for the Mercedes-Benz CLA-Class EV.

Which has more cargo space?

The Mercedes-Benz CLA-Class EV, with 12 cu ft of luggage volume versus 10 cu ft (EPA interior volume index).

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