The 1686cc 16v 80PS four-cylinder ECOTEC turbo diesel, with two overhead camshafts and common rail direct fuel injection, produces a maximum torque of 170 Nm and a top speed of 108mph in saloon and hatchback models.
Combined cycle fuel consumption is 61.4mpg (58.9mpg for estate). The added aerodynamic drag and roll resistance features in the highly-successful Astra ECO increase fuel efficiency to 64.2mpg – and raise top speed to 111mph.
Deliveries of the Astra models with the new 1.7 CDTi ECOTEC begin in the spring.
The achievement of the Euro 4 emission standard gives the models favourable tax treatment. The Astra 1.7 CDTi is the first diesel to meet this norm, mandatory in all new car types from 2005, without the need for expensive and complex additional emission gas treatment.
Second generation common rail direct injection from Bosch is a technical highlight of the new engine, increasing the injection system pressure to 1,600 bar, and improving control of the injection process.
The new engine also encompasses several features that underscore Vauxhall’s goal of becoming the leading diesel producer in Europe.
These features include:
She said the engine can be introduced into the market in smaller cars in large numbers.
"The Astra 1.7 CDTi is the first model in Vauxhall's comprehensive diesel offensive. During 2003 another three all-new diesel engines will be introduced, each of them at the top of their respective segments from a technological standpoint," said Vauxhall chairman Kevin Wale.
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