After recently announcing a Corsa ecoFLEX with 75hp, 1.3-litre CDTI engine, emitting 109 g/km of CO2 and a  110hp, 1.7-litre Astra model with a 119g/km rating, General Motors Europe is showing a prototype Opel/Vauxhall Insignia ecoFLEX model in Paris.

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GME said that, unlike its many competitors, the new Insignia variant is not a low-end model, but “a car that combines powerful propulsion and driving fun with ultimate efficiency”.


The standard model already has a drag coefficient of only 0.27 but the ecoFLEX model has modifications to reduce road and wind resistance giving a cleaner .26 coefficient and a quieter cabin, said to be the quietest Opel ever. The new model has fuel-efficient Michelin Primacy HP tyres developed specifically for the car.


A two-litre, 160hp, single turbo diesel with innovative ‘clean tech process’ to maintain the lowest possible emissions over its life span is fitted. The zero to 100km/h (62mph) acceleration time is 9.5sec and top speed is 218km/h.


Maximum torque of 350Nm is available from 1,750 rpm, and can be increased for 15sec to 380Nm via an ‘overboost’ function.


GM said today it was still developing the latest Insignia but was confident of a CO2 emissions rating “well below 140g/km” when sales start.


Like other Insignia models, the latest ecoFLEX variant meets Euro 5 emissions rules. Sales with hatchback or sedan body styles start “during the course of 2009”, GM said.

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