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Originally Posted by FrayAdjacent
Guys, you gotta realize, this kind of move is being FORCED on Porsche. Fuel economy standards are being pushed on auto manufacturers, and face it, Porsche does NOT do economy cars. It would be very hard for Porsche to comply using just their flat six engines. Sure, they have made great advances... direct injection and other schemes DO help fuel economy.
Given I can get 31mpg highway, and average about 26mpg for my commuting in my 2.7l Boxster, I'd venture with a ~2.0l turbocharged engine, that would probably be closer to 35-38mpg highway, and 30mpg average. Not too shabby. And a turbocharged 4 would leave room for tuning. Yes, I know Porsche would already have a very well tuned engine, but if economy and meeting such standards was a priority, they may have to leave the engines detuned a little to meet those standards. Then we can tune them for more, standards be damned!
I also wonder if Porsche will look at diesel engines... a diesel 4 banger making ~150 horses and 300+lb torque would be pretty interesting!
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Yet another reason why Porsche is getting back in bed with VW. When the government looks at the fuel economy across the whole family of vehicles it is easier to get away with a gas guzzling 911 when a Golf TDI is balancing things out.
With the way Porsche has been releasing a new version of the 911 every other month, I think we are going to see a 320 HP direct injection Boxster with PDK before we see four banger.