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by Tim Beissmann

Vauxhall’s most powerful diesel engine ever is now available in the Insignia medium car in the UK.

The new Insignia BiTurbo is powered by a twin-turbocharged 2.0-litre diesel engine with 143kW of power (at 4000rpm) and 400Nm of torque (1750-2500rpm). The engine is available in hatch and Sport Tourers wagon body styles, front- and all-wheel drive, and with manual or automatic transmissions.

Depending on the combination, the Insignia BiTurbo accelerates from 0-60mph (96.6 km/h) in 8.2-8.7 seconds, while its official fuel consumption (according to European standards) ranges from 4.9-6.7 litres/100km. The Insignia BiTurbo manual front-wheel drive hatch gets the best of both worlds, with the lowest sprint time and sharpest economy of the range.

The powerplant’s sequential design means the turbochargers assist the engine across the rev range. The smaller turbo accelerates quickly at lower engine speeds to reduce lag; both turbos work together in the mid-range to achieve peak torque; and above 3000rpm the gases flow directly to the larger turbo to ensure performance remains high.

All Insignia BiTurbo models are equipped with stop/start engine technology to further enhance their efficiency.

Opel – sister brand of Vauxhall under parent company General Motors – is bringing the Insignia to Australia in the third quarter of 2012 alongside the Corsa light car and Astra small car.

Opel Australia’s Michelle Lang said the Insignia BiTurbo was not part of the brand’s initial plans for our market, but was something it might consider at a later stage. “It looks like an absolute ripper,” Lang said.

The Insignia will be available locally in sedan and Sports Tourer body styles and with the choice of two 2.0-litre turbocharged engines: a 118kW/350Nm diesel and a 162kW/350Nm petrol. Both will be teamed with a six-speed automatic transmission.

Lang said Opel was gradually building its local team and had received an “overwhelming” number of dealer applications. She said Opel Australia was likely to launch with more than 10 national dealerships next year, but said the final number was still to be finalised.




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