2020 head-to-head · Large Car

2020 BMW 7 Series 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
$2,469/ year to fuel
24 MPG
✓ Cheaper to run
$2,281/ year to fuel
51 MPGe + 23 MPG

The 2020 Porsche Panamera 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 $2,281 a year to fuel (51 MPGe + 23 MPG), versus $2,469 for the 2020 BMW 7 Series (24 MPG). That's roughly $187 a year, or about $937 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

  • BMW 7 Series
  • Porsche Panamera Plug-in Hybrid

Side by side

BMW 7 SeriesPorsche Panamera Plug-in Hybrid
$2,469 Your annual fuel cost $2,281
24 MPG Combined efficiency 51 MPGe + 23 MPG
22 MPG City 48 MPGe / 21 MPG
29 MPG Highway 54 MPGe / 24 MPG
— Electricity use (kWh/100 mi) 65 kWh
— Driving range 490 mi
— All-electric range 14 mi
114 cu ft Passenger volume 108 cu ft
14 cu ft Cargo volume 16 cu ft
361 g/mi Tailpipe CO₂ (g/mi) 255 g/mi
5/10 EPA fuel economy score 6/10
5/10 EPA greenhouse gas score 8/10
— Charge time at 240V 3 hrs
Gas Powertrain Plug-in hybrid
Premium gasoline Fuel Premium gas + electricity
3.0L 6-cyl turbo Engine / motor 2.9L 6-cyl turbo
8-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.

BMW 7 Series vs Porsche Panamera Plug-in Hybrid across model years

  • BMW 7 Series
  • 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

Per EPA interior volume figures, the BMW 7 Series has more passenger space (114 vs. 108 cu ft); the Porsche Panamera Plug-in Hybrid has more cargo space (16 vs. 14 cu ft).

Among 32 2020 large cars, the BMW 7 Series ranks 23rd and the Porsche Panamera Plug-in Hybrid 21st for lowest fuel cost.

The powertrains differ: the BMW 7 Series is a conventional gas model, while the Porsche Panamera Plug-in Hybrid is a plug-in hybrid.

Frequently asked questions

Which is more fuel-efficient, the 2020 BMW 7 Series or the 2020 Porsche Panamera Plug-in Hybrid?

Measured by cost to drive, the Porsche Panamera Plug-in Hybrid. The BMW 7 Series is rated 24 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 2020 BMW 7 Series vs. the Porsche Panamera Plug-in Hybrid per year?

At 15,000 miles a year with $3.95/gal premium gas and 18¢/kWh electricity, about $2,469 for the BMW 7 Series and $2,281 for the Porsche Panamera Plug-in Hybrid.

Which has more cargo space?

The Porsche Panamera Plug-in Hybrid, with 16 cu ft of luggage volume versus 14 cu ft (EPA interior volume index).

BMW 7 Series vs Porsche Panamera Plug-in Hybrid in other years

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