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McLaren MP4-12C GT3 (2011) track testing begins

McLaren has begun testing its latest track weapon, the MP4-12C GT3 ahead of the 2012 FIA GT3 season.  How different is the MP4-12C GT3 from the roadgoing edition? The MP4-12C GT3 is based on the standard machine but modified for FIA GT racing by McLaren GT - a joint venture between McLaren Automotive and CRS Racing, a UK-based team currently competing in FIA GT with Ferrari F430s.  Externally you'll notice the race-spec fixed rear wing, undertray diffuser, front splitter, louvres and vents. Underneath there's a new suspension system, ditching the road car's linked suspension for FIA-compliant conventional dampers and anti-roll bars. Akebono is supplying race-specific brake components, and Bosch Motorsport has installed its ABS system. The car sits 100mm wider on its new suspension and has suitably flared bodywork as a result.  It's still the McLaren's bespoke 3.8-litre twin-turbo V8 engine, tuned for racing.

Rinspeed sQuba (2007): first official pictures

By First Official Pictures 17 December 2007 15:57 It had to happen. Manufacturers are fighting to fill every possible niche these days, but only Rinspeed has thought to make an underwater zero-emissions car. Due to be unveiled at the Geneva Motor Show in March 2008, Rinspeed says the aptly named sQuba is the ‘world’s first real diving car’.

Mercedes-Benz SL

The next generation Mercedes-Benz SL – code name R231 – is the sixth model to wear the 'Sport Leicht' badge since the first back in 1954. Despite being 50mm longer (at 4612mm) and 57mm wider (1877mm) than its predecessor, the new SL is considerably lighter thanks to its aluminium construction. Its drag Cd figure of 0.27 also helps to increase efficiency.