Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

VW Design Vision Golf GTI (2013) 493bhp Golf revealed

As CAR reported in our scoop last week, VW will unveil a higher-performance Golf GTI hot hatch at the 2013 Wörthersee show, and here we have the first sketches of the super-Golf. Called the VW Design Vision Golf GTI, the concept packs close to 500bhp and can outrun a Porsche 911. It's by far the most extreme Golf hot hatch since the Bentley-engined GTI W12 concept of 2007.

Brief 2 – Cadillac: CDN–GM Interactive Design Competition

Car Design News and General Motors are once again holding an Interactive Design Competition. There are five briefs to choose from, set by GM's designers, and you're invited to submit your entry on the competition website: http://www.cardesigncontest.com/ Cadillac's brief offers an interesting challenge: looking to the horizon – while considering global luxury customers, competitors and trends – how would you design a Cadillac V-Series vehicle for an urban environment? The brief asks for your to design a B- or C-segment car that embodies Cadillac brand philosophy and vehicle attributes, and should give an evolutionary perspective on the firm's Art & Science design philosophy.

Porsche Cayenne S Diesel (2012) first pictures

Porsche has equipped its Cayenne SUV with a twin-turbo diesel engine, creating (no surprises here) the Cayenne S diesel. The 4.2-litre bi-turbo oil-burner puts out 376bhp and a rather wholesome 626lb ft of torque. That latter figures bests even the flagship petrol Cayenne Turbo: that car's twin-blown petrol V8 produces 'only' 516lb ft - and costs around £28k more than the Cayenne S Diesel.