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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.

Spy shots: Aston Martin DB9 replacement spotted

Fresh from the Autoweek in-box, we bring you these new spy photos of Aston Martin's DB9 successor, lightly camouflaged and frolicking in the snow. To paraphrase digital editor Andy Stoy, the bad news is it that looks like every other Aston. But the good news is that it looks like every other Aston.

Porsche 918 Spyder microsite goes live

Porsche is entering the hybrid-hypercar market this fall with its pretty 918 Spyder. We saw the first concept 918 way back in 2010, and we've been seeing official photos and video of 918 pre-production mules testing for quite a while now. The early impressions of the driving experience are in, and from what we understand, it's pretty incredible.