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CAR REVIEW : Porsche Panamera 2017, Gets Two New Engines

Porsche Panamera, one of the luxury carmakers.


The 2017 Panamera body shell includes 31 percent aluminum and 31 percent Boron high-strength steel—saving a total of 144 pounds, according to Porsche.

To reduce aerodynamic drag at speed, it also has multiple active aerodynamic elements.)

Active grille shutters close when extra cooling air isn’t needed, routing air around the front of the car rather than through the engine compartment.

When the shutters close, the movable rear spoiler moves into a special “Eco” position as well.


At 124 mph, the shutters automatically open again, and the spoiler switches to a presumably less-efficient “Max” setting to increase downforce at the rear of the car.

The Panamera gets two new engines for 2017, with a 4.0-liter twin-turbocharged V-8 that debuts in the Turbo model.

This engine features cylinder deactivation, which shuts down four cylinders under light loads, as well as a higher-pressure direct injection system to better control the fuel burn.

It produces 550 horsepower and 567 pound-feet of torque, allowing for 0 to 60 mph in 3.4 seconds, according to Porsche.

Base Panamera 4S models use a 2.9-liter V-6 that is essentially a V-8 with two of the cylinders lopped off.

This engine produces 440 hp and 405 lb-ft of torque, producing acceleration from 0 to 60 mph in 4.0 seconds.


All-wheel drive is standard on the 2017 Panamera, as is a new 8-speed dual-clutch transmission that replaces the previous conventional 8-speed automatic.

Porsche says it considered 9- and 10-speed transmissions, but concluded eight gears were sufficient, saying the new transmission improves fuel efficiency by 1.7 percent over the old one.

Its housing also has room for an electric motor, for the plug-in hybrid model that will replace the current Panamera S E-Hybrid.

Controlling all of the Panamera’s various systems are 100 million lines of code, up from a mere 2 million in the previous generation, Porsche says.

The number of electronic control modules has also increased from 70 to 112.

Yet even with all that code—and the grille shutters, and the cylinder deactivation, and all the other fuel-saving features—no Panamera without a plug will ever get close to the energy efficiency of an all-electric car.

While few Porsche owners likely prioritize fuel economy, Porsche itself has emphasized efficiency with this latest luxury sedan, and has delivered huge numbers of seemingly incremental improvements.


The Tesla Model S largely matches the Panamera on performance and features (and perhaps software complexity), but it is far more energy efficient on a wells-to-wheels basis than anything the German luxury establishment now builds.

For one of very few times in recent memory, German luxury makers find themselves playing catch-up.

Porsche may regain the lost ground when its all-electric Mission E sedan launches before the end of the decade.

Until then, it can’t claim any efficiency crowns—if that matters to its buyers.