2021 head-to-head · Compact Car

2021 Genesis G70 vs Mercedes-Benz CLS-Class Hybrid

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
$2,370/ year to fuel
25 MPG
✓ Cheaper to run
$2,279/ year to fuel
26 MPG

The 2021 Mercedes-Benz CLS-Class Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,279 a year to fuel (26 MPG), versus $2,370 for the 2021 Genesis G70 (25 MPG). That's roughly $91 a year, or about $456 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 CLS-Class Hybrid

Side by side

Genesis G70Mercedes-Benz CLS-Class Hybrid
$2,370 Your annual fuel cost $2,279
25 MPG Combined efficiency 26 MPG
22 MPG City 23 MPG
30 MPG Highway 30 MPG
94 cu ft Passenger volume 93 cu ft
10 cu ft Cargo volume 12 cu ft
357 g/mi Tailpipe CO₂ (g/mi) 347 g/mi
5/10 EPA fuel economy score 5/10
5/10 EPA greenhouse gas score 5/10
Gas Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.0L 4-cyl turbo Engine / motor 3.0L 6-cyl turbo
8-speed automatic Transmission 9-speed automatic
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 CLS-Class Hybrid across model years

  • Genesis G70
  • Mercedes-Benz CLS-Class Hybrid

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 Mercedes-Benz CLS-Class Hybrid has more cargo space (12 vs. 10 cu ft).

Among 37 2021 compact cars, the Genesis G70 ranks 31st and the Mercedes-Benz CLS-Class Hybrid 28th for lowest fuel cost.

The powertrains differ: the Genesis G70 is a conventional gas model, while the Mercedes-Benz CLS-Class Hybrid is a full hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2021 Genesis G70 or the 2021 Mercedes-Benz CLS-Class Hybrid?

Measured by cost to drive, the Mercedes-Benz CLS-Class Hybrid. The Genesis G70 is rated 25 MPG combined and the Mercedes-Benz CLS-Class Hybrid 26 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2021 Genesis G70 vs. the Mercedes-Benz CLS-Class Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,370 for the Genesis G70 and $2,279 for the Mercedes-Benz CLS-Class Hybrid.

Which has more cargo space?

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

Genesis G70 vs Mercedes-Benz CLS-Class Hybrid in other years

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