2015 head-to-head · Large Car

2015 Porsche Panamera Plug-in Hybrid vs Tesla Model S

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
$1,996/ year to fuel
50 MPGe + 25 MPG

RWD · 3.0L 6-cyl supercharged · 8-speed dual-clutch · 50 MPGe + 25 MPG

✓ Cheaper to run
$891/ year to fuel
101 MPGe

The 2015 Tesla Model S 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 $891 a year to fuel (101 MPGe), versus $1,996 for the 2015 Porsche Panamera Plug-in Hybrid (50 MPGe + 25 MPG). That's roughly $1,105 a year, or about $5,526 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

  • Porsche Panamera Plug-in Hybrid
  • Tesla Model S

Side by side

Porsche Panamera Plug-in HybridTesla Model S
$1,996 Your annual fuel cost $891
50 MPGe + 25 MPG Combined efficiency 101 MPGe
42 MPGe / 23 MPG City 101 MPGe
66 MPGe / 29 MPG Highway 102 MPGe
52 kWh Electricity use (kWh/100 mi) 33 kWh
540 mi Driving range 240 mi
16 mi All-electric range —
108 cu ft Passenger volume 94 cu ft
16 cu ft Cargo volume 26 cu ft
229 g/mi Tailpipe CO₂ (g/mi) 0 g/mi
8/10 EPA fuel economy score 10/10
9/10 EPA greenhouse gas score 10/10
3 hrs Charge time at 240V 12 hrs
Plug-in hybrid Powertrain Electric
Premium gas + electricity Fuel Electricity
3.0L 6-cyl supercharged Engine / motor Electric motor (70 kW)
8-speed dual-clutch Transmission Single-speed
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.

Porsche Panamera Plug-in Hybrid vs Tesla Model S across model years

  • Porsche Panamera Plug-in Hybrid
  • Tesla Model S

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 Porsche Panamera Plug-in Hybrid goes farther between stops: about 540 miles on a full tank and charge, compared with 240 miles for the Tesla Model S.

Per EPA interior volume figures, the Porsche Panamera Plug-in Hybrid has more passenger space (108 vs. 94 cu ft); the Tesla Model S has more cargo space (26 vs. 16 cu ft).

Among 29 2015 large cars, the Porsche Panamera Plug-in Hybrid ranks 7th and the Tesla Model S 1st for lowest fuel cost.

Because the Tesla Model S is fully electric, it has no tailpipe emissions and its running cost depends almost entirely on your electricity rate. Cheap overnight home charging widens its advantage over the Porsche Panamera Plug-in Hybrid; relying on DC fast chargers can erase it.

Frequently asked questions

Which is more fuel-efficient, the 2015 Porsche Panamera Plug-in Hybrid or the 2015 Tesla Model S?

Measured by cost to drive, the Tesla Model S. The Porsche Panamera Plug-in Hybrid is rated 50 MPGe + 25 MPG combined and the Tesla Model S 101 MPGe (EPA, most efficient configuration of each).

How much does it cost to fuel the 2015 Porsche Panamera Plug-in Hybrid vs. the Tesla Model S per year?

At 15,000 miles a year with 18¢/kWh electricity and $3.95/gal premium gas, about $1,996 for the Porsche Panamera Plug-in Hybrid and $891 for the Tesla Model S.

Which has more range?

The Porsche Panamera Plug-in Hybrid: about 540 miles versus 240 miles.

Which has more cargo space?

The Tesla Model S, with 26 cu ft of luggage volume versus 16 cu ft (EPA interior volume index).

Porsche Panamera Plug-in Hybrid vs Tesla Model S in other years

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