New Opel Insignia to debut with three new engine options; diesel as low as 99 gCO2/km - Green Car Congress
New Opel Insignia to debut with three new engine options; diesel as low as 99 gCO2/km - Green Car Congress
Opel introducing new top-end 2.0L BiTurbo diesel in Insignia; Euro 6.2, WLTP testing - Green Car Congress
![The European Opel Insignia gets a downsized engine, will the Buick Regal follow? | MotorNature: cars for green drivers The European Opel Insignia gets a downsized engine, will the Buick Regal follow? | MotorNature: cars for green drivers](http://www.motornature.com/wp-content/uploads/2011/08/Opel-Insignia-turbo.jpg)