2023 head-to-head · Large Car

2023 Genesis G80 vs Mercedes-Benz S-Class Plug-in 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
$2,279/ year to fuel
26 MPG
✓ Cheaper to run
$1,714/ year to fuel
49 MPGe + 23 MPG

AWD · 3.0L 6-cyl turbo · 9-speed automatic · 49 MPGe + 23 MPG

The 2023 Mercedes-Benz S-Class Plug-in Hybrid 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 $1,714 a year to fuel (49 MPGe + 23 MPG), versus $2,279 for the 2023 Genesis G80 (26 MPG). That's roughly $565 a year, or about $2,825 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 G80
  • Mercedes-Benz S-Class Plug-in Hybrid

Side by side

Genesis G80Mercedes-Benz S-Class Plug-in Hybrid
$2,279 Your annual fuel cost $1,714
26 MPG Combined efficiency 49 MPGe + 23 MPG
22 MPG City 60 MPGe / 20 MPG
32 MPG Highway 35 MPGe / 29 MPG
— Electricity use (kWh/100 mi) 51 kWh
— Driving range 470 mi
— All-electric range 56 mi
107 cu ft Passenger volume 112 cu ft
15 cu ft Cargo volume 8 cu ft
346 g/mi Tailpipe CO₂ (g/mi) 379 g/mi
5/10 EPA fuel economy score 8/10
5/10 EPA greenhouse gas score 10/10
— Charge time at 240V 2.5 hrs
Gas Powertrain Plug-in hybrid
Premium gasoline Fuel Premium gas + electricity
2.5L 4-cyl turbo Engine / motor 3.0L 6-cyl turbo
8-speed automatic Transmission 9-speed automatic
RWD Drivetrain AWD

✓ 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 G80 vs Mercedes-Benz S-Class Plug-in Hybrid across model years

  • Genesis G80
  • Mercedes-Benz S-Class Plug-in 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 S-Class Plug-in Hybrid has more passenger space (112 vs. 107 cu ft); the Genesis G80 has more cargo space (15 vs. 8 cu ft).

Among 29 2023 large cars, the Genesis G80 ranks 19th and the Mercedes-Benz S-Class Plug-in Hybrid 12th for lowest fuel cost.

The powertrains differ: the Genesis G80 is a conventional gas model, while the Mercedes-Benz S-Class Plug-in Hybrid is a plug-in hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2023 Genesis G80 or the 2023 Mercedes-Benz S-Class Plug-in Hybrid?

Measured by cost to drive, the Mercedes-Benz S-Class Plug-in Hybrid. The Genesis G80 is rated 26 MPG combined and the Mercedes-Benz S-Class Plug-in Hybrid 49 MPGe + 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2023 Genesis G80 vs. the Mercedes-Benz S-Class Plug-in Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,279 for the Genesis G80 and $1,714 for the Mercedes-Benz S-Class Plug-in Hybrid.

Which has more cargo space?

The Genesis G80, with 15 cu ft of luggage volume versus 8 cu ft (EPA interior volume index).

Genesis G80 vs Mercedes-Benz S-Class Plug-in Hybrid in other years

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