Porsche just stopped Panamera Diesel production, at least for the German market.
The reason: The Panamera Diesel was Euro 5 (emissions class) only and since September, new cars are required to have Euro 6. The upgrade to Euro 6 would have been too expensive.
Another reason: Request for the Hybrid is higher (around 10% of all Panamera models) and the Diesel has never been available with AWD, something many customers often requested.
Maybe time for the next generation... 
Btw: In some markets, the Panamera Diesel seems to be still available.
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RC (Germany) - Rennteam Editor Porsche 991 Carrera 4 GTS Cabriolet, Porsche Macan Turbo, Ford Mustang GT500 Shelby SVT (2014), Jeep Grand Cherokee SRT (2014)
Re: Panamera Diesel...so long, farewell, bye bye
