What do a BMW M3, many recent Ferraris, and a diesel Vauxhall Insignia all have in common ... A Closer Look At The Biturbo's Unique Engine The Maserati Biturbo was launched in December 1981.

The Insignia GSi BiTurbo gets a tweaked version of the familiar ... That said, it’s probably best to avoid the engine’s Sport setting. Yes it sharpens the throttle fractionally, but it also ...

Vauxhall has announced that it is fitting the 187bhp 2.0-litre bi-turbo diesel engine, first seen in the Insignia, to all Astra models. Performance figures haven't been released, but Vauxhall ...