Volkswagen has released a few more tentative details of its next Golf 7 as it prepares to reveal the popular hatchback at the Paris auto show. The next-generation Golf will be the second car, after the new Audi A3, to be built on the Volkswagen Group’s new MQB modular platform. It is expected to underpin more than 40 small and mid-sized models across the Group’s brands. LIGHTER, MORE EFFICIENTAccording to Automotive News, the new Golf will be up to 110kg lighter than its predecessor thanks to the use of stronger steel to cut down on the metal content. It will also show reductions in fuel consumption up to 23%, the automaker said. Volkswagen also expects the use of the shared platform to cut manufacturing time by 30% and production costs by 20% and will, reportedly, channel the savings to pay for upgrading the car’s entertainment systems. Ulrich Hackenberg, the company's brand development chief, said at the recent press briefing in Wolfsburg, Germany: "The Golf has a preeminent role at Volkswagen because of its high production volumes, the number of employees behind it, and because the car is the face of VW." We've been inundated with spy shots of the high-performance derivatives of the new Golf, but details of the Paris show debutante remain few.The next-generation Golf will be make its debut at the Paris auto show, starting September 27, 2012 although a sneak preview is expected on September 4. The Golf 7 will be launched in South Africa in the first quarter of 2013.