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

Peugeot RCZ Red Carbon Limited Edition launches – price from £26,000

Peugeot RCZ Red Carbon Limited Edition (pictured) All the column inches (or whatever the digital equivalent is) for Peugeot’s RCZ since last year have been about the more powerful RCZ R. But that’s no surprise when it comes with a very agreeable 270bhp to play with – enough to push the RCZ R to 62mph in 5.9 seconds – good looks and decent economy. But Peugeot has a whole selection of RCZs lurking below the R, so as it’s obviously time to garner some attention for the R’s lesser siblings we get a limited edition RCZ to bump up sales and footfall in Peugeot showrooms – the Peugeot RCZ Red Carbon Limited Edition.

Audi Nanuk Quattro concept (2013) at Frankfurt motor show

This is the Audi Nanuk Quattro concept, unveiled at the 2013 Frankfurt motor show. It's a cross between Audi's R8 supercar and an SUV, and it's powered by a new twin-turbo V10 diesel engine. It’s been designed in conjunction with Italdesign Giugiaro, the famous Italian styling housed most recently responsible for the Lamborghini Gallardo-based Parcour crossover concept.

Buick Regal GS at Detroit

GM are showing a 'Concept' of the Buick Regal GS at the Detroit Motor Show It always seemed likely that having taken the very good Vauxhall Insignia and turned it in to a Buick for the 21st century – The Buick Regal – that GM would take the obvious step of producing a performance version based on the Insignia VRX. So it’s not a huge surprise that GM have revealed the Buick Regal GS as a Concept (concept? Believe that and you’ll believe anything) which they are showing at the Detroit Motor Show this month.