Spyshots Reveal Porsche 911 Mid-Cycle Refresh Could Bring Downsized Turbo Engines

Although the 991-series Porsche 911 retained its predecessor's traditional horizontally-opposed rear-engine layout, it was arguably the biggest change in the 51-year history of the car. But the changes may keep coming for Porsche's traditional standard-bearer. A close look at these spy shots reveal an air duct in the rear bumper, which our spy shooter says could be the indication of downsized turbocharged engines coming.

The move to turbocharged engines is reportedly to increase the fuel economy further of Porsche's lineup, even though the current 911 lineup is already very fuel-efficient, with the entry-level 911 Carrera getting 20 mpg city and 28 mpg highway with the seven-speed PDK dual-clutch transmission. The current 911 Carerra's 3.4-liter engine is already downsized from its previous displacement of 3.6-liters in the 997 series, but could get smaller still with the help of turbocharging. The base engine on the current Boxster is 2.7 liters, which could serve as a starting point for the new generation of 911 engines.

Although unlikely to be installed in a 911, there has been persistent talk about Porsche developing a turbocharged flat-four engine which could serve as the base engine in the Boxster or Cayman. But a four-cylinder in a 911 body is not without precedent, with the Porsche 912 being offered in the 1960s and 1970s as a lower-cost alternative to the more expensive six-cylinder 911 models.

Photo Credit: Carpix

Kenneth Herbert
@ planetboyrn:  "Downsized and Turbo in the same sentence" (often followed by "more powerful and more economical") is becoming the industry standard.
planetboyrn
@PorscheCarsNews downsized and Turbo in the same sentence frightens me! #TurboCab #911

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