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Honda NSX concept unveiled at 2012 Detroit auto show

One of the biggest draws of the 2012 Detroit auto show is the new Honda NSX concept car. Developed in tandem by Honda's design studios in California and Japan, the new NSX is a svelte-looking supercar with an exciting purpose: it heralds Honda's new supercar. After years of will-they, won't-they delays, concepts and U-turns, this time Honda is adamant - it really is replacing the original NSX.

Video: Peter Schreyer on premium proportion

Kia has released a short film featuring Peter Schreyer that provides an insight into the world of premium car design in which he explains the importance of proportion. In the presentation, Schreyer sketches the company's new K9 sedan, describing how a rear-wheel drive platform affects the car's design, with its generous wheelbase, short front overhang and the 'prestige distance' between the center of the front wheel and the A-pillar. Related stories: Interview: Peter Schreyer, Chief of Design, Kia

McLaren 50 12C & 12C Spider celebrate McLaren’s 50th anniversary

McLaren say they will be building a maximum of 50 each of the 50 12C Coupe and 12C Spider to mark the occasion, both of which get special features provided by McLaren Special Operations – the same McLaren division that created the 12C High Sport. That means a new front bumper which has been optimised by Computational Fluid Dynamics (CFD) for more downforce, extra carbon fibre and kevlar exterior bits, ceramic brakes, 19″ front and 20″ rear alloys, full leather, extra carbon fibre in the cabin, a heritage badge and a numbered plaque. There will be the option of three colours for the 50th anniversary 12Cs - Carbon Black, Supernova Silver and, of course, McLaren Orange – and each car will get its own silver car cover, a limited edition key in a carbon fibre box and a signed art print (sadly, there’s no sign of a tool chest or Tag Heuer watch).