Seems like all car makers try to make the greenest car. The big naturally aspirated engines are history, because small turbo charged engines take their place. More power efficient, less CO2 is the perfect formula for catching customer attention.

Vauxhall's all new Astra will debut at the Frankfurt Motor Show on September 15 with a highly competitive line-up of petrol and diesel engines boasting reductions in CO2 over almost all equivalent models in the current Astra range.

The new model, which will be produced at the UK's Ellesmere Port plant for all markets across Europe, will have an eight-engine range that promises to reduce combined CO2 emissions and fuel consumption by around 10 per cent overall.

Highlighting Vauxhall's continued strategy of reducing CO2 emissions through engine capacity downsizing, an all-new 1.4-litre Turbo engine will join the range from launch, producing 140hp and 200Nm of torque between 1,850 and 4,900rpm. This engine replaces the naturally aspirated 1.8-litre from the current range, yet features lower emissions, equal power and 15 per cent more torque.

Completing the petrol line-up for the new Astra is a normally aspirated 1.4-litre unit emitting just 129g/km of CO2, and two 1.6-litre engines – one turbocharged, producing 180hp and the other an un-blown unit with 115hp.

The Astra's diesel range comprises 1.3-, 1.7- and 2.0-litre units, all of which feature common rail fuel injection and produce combined CO2 emissions of no more than 129g/km* (with manual transmission).  Despite this, their power will range from 95hp to 160hp, allowing generous performance with optimum frugality.

2010 Vauxhall Astra, 1 of 6
2010 Vauxhall Astra, 2 of 6
2010 Vauxhall Astra, 3 of 6
2010 Vauxhall Astra, 4 of 6
2010 Vauxhall Astra, 5 of 6
2010 Vauxhall Astra, 6 of 6

As with the Insignia, all Astra powerplants meet stringent Euro 5 emissions standards, and at a later stage an ecoFLEX model will be added to the range, achieving 109g/km of CO2 on the combined cycle*.

All Astras will be equipped with six-speed gearboxes, with the exception of normally aspirated 1.4- and 1.6-litre models and the 1.3-litre CDTi which employ a five-speed manual gearbox. A new, compact automatic transmission will be available for all petrol models.

Supporting the new Astra at Frankfurt will be the efficient, but powerful Insignia ecoFLEX and Vauxhall/Opel's groundbreaking Ampera.