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Audi TT ultra quattro concept sheds 300kg & heads for Worthersee

The TT ultra quattro concept manages to tip the scales at 1111kg, 299kg less than the starting point – the TT S quattro – thanks to a new version of the TT’s aluminium space frame, carbon fibre reinforced plastic panels, carbon fibre for many body panels and some judicious use of magnesium. Other weight saving tricks include carbon ceramic brakes with aluminium calipers, titanium exhaust, cameras instead of heavy door mirror mechanisms, and carbon fibre and aluminium wheels. The weight saving extends to the interior of the TT ultra quattro concept too, with carbon fibre used for the door and centre console trims and glass-fibre reinforced plastic base for the seats which saves 22kh alone. But despite the weight savings Audi hasn’t made the TT ultra quattro concept a hair shirt outing with goodies like leather seats, AirCon and electric windows still on offer.

BMW i8 Concept Spyder

BMW has released images and information about its i8 Concept Spyder, which follows on from the i3 and i8 concepts. This open-top two-seater car features upwards-swiveling doors that pivot forwards around the A-pillars, a transparent glass panel at the rear and is based around the LifeDrive architecture, which fusing independent units together using a lightweight modular construction. A two-section roof is planned for less favorable conditions.

News watch May 2012: today's auto industry news

Welcome to CAR Magazine's news aggregator as we round up the daily stories in the auto industry. Top tip: news summaries are added from the top hour-by-hour Friday 1 June 2012• Peugeot-Citoren has been hit hardest by a 17% drop in overall domestic sales during May. PSA saw a 28% fall in sales, with Renault suffering a 14% decline, and Fiat 21%.