2026 head-to-head · Compact Car

2026 Genesis G70 vs Mercedes-Benz C-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
$2,469/ year to fuel
24 MPG
✓ Cheaper to run
$2,043/ year to fuel
29 MPG

The 2026 Mercedes-Benz C-Class Hybrid is the cheaper one to run. Driving 15,000 miles a year with $3.95/gal premium gas, it costs about $2,043 a year to fuel (29 MPG), versus $2,469 for the 2026 Genesis G70 (24 MPG). That's roughly $426 a year, or about $2,128 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 C-Class Hybrid

Side by side

Genesis G70Mercedes-Benz C-Class Hybrid
$2,469 Your annual fuel cost $2,043
24 MPG Combined efficiency 29 MPG
21 MPG City 25 MPG
29 MPG Highway 35 MPG
94 cu ft Passenger volume 93 cu ft
10 cu ft Cargo volume 12 cu ft
373 g/mi Tailpipe CO₂ (g/mi) 307 g/mi
5/10 EPA fuel economy score 6/10
5/10 EPA greenhouse gas score 6/10
Gas Powertrain Hybrid
Premium gasoline Fuel Premium gasoline
2.5L 4-cyl turbo Engine / motor 2.0L 4-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 C-Class Hybrid across model years

  • Genesis G70
  • Mercedes-Benz C-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 C-Class Hybrid has more cargo space (12 vs. 10 cu ft).

Among 21 2026 compact cars, the Genesis G70 ranks 17th and the Mercedes-Benz C-Class Hybrid 15th for lowest fuel cost.

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

Frequently asked questions

Which is more fuel-efficient, the 2026 Genesis G70 or the 2026 Mercedes-Benz C-Class Hybrid?

Measured by cost to drive, the Mercedes-Benz C-Class Hybrid. The Genesis G70 is rated 24 MPG combined and the Mercedes-Benz C-Class Hybrid 29 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2026 Genesis G70 vs. the Mercedes-Benz C-Class Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas, about $2,469 for the Genesis G70 and $2,043 for the Mercedes-Benz C-Class Hybrid.

Which has more cargo space?

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

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

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