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2015 Porsche Cayenne S

Oh, Porsche.
Just as the dust settles over the 911 GT3's no manual gearbox kerfuffle, the Germans have gone and yanked the yummy naturally aspirated 4.8-liter V8 from the Cayenne S and replaced it with a twin-turbo 3.6-liter V6. Is nothing sacred in Porscheland?
Perhaps not... but that's not necessarily a bad thing. After all, Porsche famously once said they'd never build a diesel, but when they did, it was actually rather stellar.

Porsche announces plan to replace 911 GT3 engines

About a month back, we reported that Porsche was suspending delivery of its 911 GT3 due to reported incidents of the engine bursting into flames. A few days later, Porsche told owners of the new track-ready models not to drive their cars and had their local dealers pick up the cars in question. Just a couple of days ago, we reported that Porsche was working on a fix, and now we have the official details.
Following an internal investigation prompted by two such incidents, Porsche has confirmed that is has identified the problem as resulting "from a loosened screw joint on the connecting rod." The loose connecting rod, Porsche found, damaged the crankcase, which in turn resulted in oil leaking and then - in at least two cases - igniting.
Our source is unaware of Porsche being contacted by GT3 owners concerned about the impact of a replacement engine on their car's collectibility or resale value.

Porsche to develop new line of engines for next Panamera

When the second generation of the four-door Porsche Panamera launches, it will likely be riding a new platform, complete with an all-new family of V6 and V8 engines, according to a report coming out of the UK.
Autocar reports that the so-called MSB platform will likely underpin the Panamera, and it could be shared with Bentley, provided the Volkswagen-owned, British-built brand commits to the architecture. As for the engines, it's reported that they'll have a sportier character than the V6s and V8s being built for Volkswagen and Audi's vehicles.
"Porsche will have its own new V8 that will be common to the new MSB platform," Porsche's chief engineer, Wolfgang Hatz, said. "It's a family for the next 10 years of cars." Whether the V8 and V6 will be used outside of the Panamera line, though, remains unclear. There's also no mention of what place turbocharging would have with the new engines.