2019 head-to-head · Large Car

2019 Mercedes-Benz S-Class Plug-in Hybrid vs Porsche Panamera 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
$2,018/ year to fuel
64 MPGe + 23 MPG

RWD · 3.0L 4-cyl turbo · 9-speed automatic · 64 MPGe + 23 MPG

✓ Cheaper to run
$2,281/ year to fuel
51 MPGe + 23 MPG

The 2019 Mercedes-Benz S-Class Plug-in Hybrid is the cheaper one to run. Driving 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, it costs about $2,018 a year to fuel (64 MPGe + 23 MPG), versus $2,281 for the 2019 Porsche Panamera Plug-in Hybrid (51 MPGe + 23 MPG). That's roughly $263 a year, or about $1,314 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

  • Mercedes-Benz S-Class Plug-in Hybrid
  • Porsche Panamera Plug-in Hybrid

Side by side

Mercedes-Benz S-Class Plug-in HybridPorsche Panamera Plug-in Hybrid
$2,018 Your annual fuel cost $2,281
64 MPGe + 23 MPG Combined efficiency 51 MPGe + 23 MPG
58 MPGe / 21 MPG City 48 MPGe / 21 MPG
73 MPGe / 26 MPG Highway 54 MPGe / 24 MPG
53 kWh Electricity use (kWh/100 mi) 65 kWh
510 mi Driving range 490 mi
19 mi All-electric range 14 mi
112 cu ft Passenger volume 108 cu ft
9 cu ft Cargo volume 16 cu ft
205 g/mi Tailpipe CO₂ (g/mi) 255 g/mi
8/10 EPA fuel economy score 6/10
9/10 EPA greenhouse gas score 8/10
1.3 hrs Charge time at 240V 3 hrs
Plug-in hybrid Powertrain Plug-in hybrid
Premium gas + electricity Fuel Premium gas + electricity
3.0L 4-cyl turbo Engine / motor 2.9L 6-cyl turbo
9-speed automatic Transmission 8-speed dual-clutch
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.

Mercedes-Benz S-Class Plug-in Hybrid vs Porsche Panamera Plug-in Hybrid across model years

  • Mercedes-Benz S-Class Plug-in Hybrid
  • Porsche Panamera 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

The Mercedes-Benz S-Class Plug-in Hybrid goes farther between stops: about 510 miles on a full tank and charge, compared with 490 miles for the Porsche Panamera Plug-in Hybrid.

Per EPA interior volume figures, the Mercedes-Benz S-Class Plug-in Hybrid has more passenger space (112 vs. 108 cu ft); the Porsche Panamera Plug-in Hybrid has more cargo space (16 vs. 9 cu ft).

Among 30 2019 large cars, the Mercedes-Benz S-Class Plug-in Hybrid ranks 9th and the Porsche Panamera Plug-in Hybrid 19th for lowest fuel cost.

Frequently asked questions

Which is more fuel-efficient, the 2019 Mercedes-Benz S-Class Plug-in Hybrid or the 2019 Porsche Panamera Plug-in Hybrid?

Measured by cost to drive, the Mercedes-Benz S-Class Plug-in Hybrid. The Mercedes-Benz S-Class Plug-in Hybrid is rated 64 MPGe + 23 MPG combined and the Porsche Panamera Plug-in Hybrid 51 MPGe + 23 MPG (EPA, most efficient configuration of each).

How much does it cost to fuel the 2019 Mercedes-Benz S-Class Plug-in Hybrid vs. the Porsche Panamera Plug-in Hybrid per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $2,018 for the Mercedes-Benz S-Class Plug-in Hybrid and $2,281 for the Porsche Panamera Plug-in Hybrid.

Which has more range?

The Mercedes-Benz S-Class Plug-in Hybrid: about 510 miles versus 490 miles.

Which has more cargo space?

The Porsche Panamera Plug-in Hybrid, with 16 cu ft of luggage volume versus 9 cu ft (EPA interior volume index).

Mercedes-Benz S-Class Plug-in Hybrid vs Porsche Panamera Plug-in Hybrid in other years

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