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What Dieselgate? 2018 Opel Insignia Adds New 2.0 BiTurbo Diesel Engine

The aftermath of the Dieselgate scandal made more than simply dent the image of Volkswagen. It changed many people's perception on how far turbo diesel technology can go, with a focus on the increase of costs and the limits of engineering. Of the automaker who couldn’t care less about the industry’s push for hybrids and EVs, General Motors appears to be the biggest advocate of the oft-hated fuel.
2018 Opel Insignia 2.0 BiTurbo 41 photos
Photo: Opel
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It all started with the 1.6-liter CDTI in the United States, with Chevrolet offering the Opel-based engine in vehicles such as the Equinox and Cruze. In Europe, Opel goes one step further by adding an all-new sequential turbo engine to the Insignia’s lineup in the form of the 2.0 BiTurbo.

As the name implies, the turbocharging process takes place in two stages. Intake air enters the first of two turbochargers, where it’s compressed then sent on to the second turbo. Thanks to variable geometry vanes, torque is produced low in the rev range, whereas power is reserved for a higher engine speed.

The variable geometry vanes adjust in parallel with the gas flow, reducing back pressure and lowering fuel consumption. Last, but certainly not least, the compressed air passes into the intercooler, then into the combustion chamber.

On paper, the 2.0 BiTurbo is pretty ok, but falls behind the 2.0 BiTDI from Volkswagen. With 210 PS (154 kW or 207 horsepower) and 480 Nm (354 pound-feet) of torque from 1,500 rpm, it’s no slouch either.

0 to 100 km/h (62 mph) is doable in 7.9 seconds, and maximum speed is rated at 233 km/h (145 mph). Ok-ish figures, especially when taking into consideration the twin-turbo powerplant is NEDC-rated 6.9 l/100 km (34 U.S. mpg) on the combined cycle.

Scheduled to make its debut at the 2017 Frankfurt Motor Show, the Insignia 2.0 BiTurbo will be joined by the Grandland X, Insignia GSi, and Insignia Country Tourer. In the light commercial vehicle corner, the Vivaro Tourer and Vivaro Life take the spotlight.
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About the author: Mircea Panait
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After a 1:43 scale model of a Ferrari 250 GTO sparked Mircea's interest for cars when he was a kid, an early internship at Top Gear sealed his career path. He's most interested in muscle cars and American trucks, but he takes a passing interest in quirky kei cars as well.
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