|It's from the same family of Fiat/GM 4 cylinder diesels found in Vauxhalls, Saabs, Fiats etc. They probably squeezed more power out of it with larger capacity and more top end boost--possibly at the expense of turbo lag? The newer twin sequential turbo versions of this engine first seen in the late Saab 9-3? and recent VAUXHALL Insignia are reckoned to be better.
JTD engine - Wikipedia, the free encyclopedia
The BERA is good looking car but for me it would have to be petrol engined for that true ALFA experience