The Insignia flagship followed exactly the same initiative as the Astra. Once again the Opel engineers’ main objective was efficiency. Thanks to optimized packaging and lightweight materials they could save up to 175kg on the Insignia Grand Sport compared with its predecessor – much to the benefit of dynamics and fuel consumption. Depending on powertrain and equipment, the current Insignia Sports Tourer even weighs up to 200kg less than the similar model variant from the first generation.
Furthermore, the KARL ROCKS also caters for customers looking for an alternative fuel offering and is available with the 1.0 LPG ecoFLEX ex works (NEDC LPG consumption: urban 7.1 l/100 km, extra-urban 5.2 l/100 km, combined 5.9 l/100 km; 95 g/km CO2; NEDC fuel consumption: urban 5.8 l/100 km, extra-urban 4.1 l/100 km, combined 4.7 l/100 km; 108 g/km CO2). When ordered in this combination, owners can cover a total distance of 1,019 kilometers (in accordance with NEDC) between visits to the filling station thanks to the 32-liter gasoline and the 20-liter LPG tanks.
As of 2014 Opel Group GmbH Is the contracted original equipment manufacturer (OEM) of Opel/Vauxhall. Adam Opel AG is the main supplier (tier 1) for the OEM; all subsidiarirs are tier 2 suppliers. Opel Group and Adam Opel are both first-tier subsidiaries of General Motors Holdings, LLC and second-tier subsidiaries of General Motors Corporation (GMC).[42]
The high performance of the new Corsa GSi is complemented by the athletic exterior looks featuring large air intakes, sculptured bonnet, prominent rear spoiler and precisely modelled side sills. From the front, the bold Opel GSi fascia with large honeycomb grille and the central Opel Blitz supported by two wings, along with the exterior rear view mirror housings in carbon racing-look become visible. The large chrome-ringed design elements that are visually connected in a horizontal line via black crosspieces running across the front, along with the black traverse cleat on the bonnet support the impression of sportiness. The vibrant styling is also present when viewed from the rear. The prominent spoiler on the edge of the roof creates additional downforce, the sporty chrome tailpipe is framed by the vibrant design of the rear apron in body colour.
The way it nearly came to the US is interesting, though. Back then, GM North America was a very different place than GM Europe, and it looked like there was very little interest in bridging the gap, unlike today. But after GM bought a 50% stake in the Trollhattan trolls, the General was now burdened with the problem of attracting more than devotees to an aging lineup at dealerships. The solution was to sell the Calibra to Americans through Saab dealerships, but badged as a Saab.
Later, an 1800 cc version wis introduced for the Kadett/Astra GTE model. This range o ingines wis an aa uised for later models o the Corsa/Nova, an the mid-sized Cavalier/Ascona. The Kadett D wis an' a' equipped wi a 1600 cc diesel ingine that wis possible tae drive as cheap as 5.0 L/100 km, an a cairy-ower 1196cc OHV ingine. It wis an aa produced as IDA Kadett in Kikinda, Yugoslavie. 
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