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Nissan Pivo 2 concept

Nissan has released details of a new Pivo 2, an advanced electric concept car that will debut at the upcoming Tokyo Motor Show. Building on the popularity of the first Pivo, shown at the 2005 Tokyo Motor Show, the latest concept will be powered by compact Lithium-ion batteries and features a unique rotating cabin. Where the first Pivo, with its fully rotating cabin design, made reversing obsolete, the Pivo 2 takes that easy mobility concept to a new level.

Pagani Zonda Revolucion (2013) first pictures of ultimate 790bhp Zonda

Is the new Pagani Zonda Revolucion the Nurburgring lap-record holder in waiting? The Zonda Revolucion (Revolution in Spanish) is a fettled version of the track-only Zonda R, boasting more power and F1-derived brake and aerodynamic know-how. It should easily be able to eclipse the Zonda R's record-breaking 6min 47sec Nürburgring lap time, but you’ll need fast money, too. Available to order now, the five Revolucions being produced will set you back an eye-watering €2.2m (£1.8m) each – plus taxes – and you still can't drive it on the road… For £1.8million, the Pagani Zonda Revolucion had better be packing some serious punch… Worry not: the mid-mounted 6.0-litre AMG V12 (normally aspirated still, rather than twin-turbocharged like the new Pagani Huayra in CAR's video review below) develops 789bhp – a 50bhp increase on the 2009 Zonda R's output.

Porsche 911 Carrera 4 (2012) first official pictures

Porsche has a new four-wheel drive - but it's not the Macan crossover, or an SUV of any description. The new-generation 911 has had the all-paw treatment, growing wider wings and fatter tyres in the process. It's also lost around 65kg compared with the old 997 Carrera 4, and Porsche claims it's a good deal faster too.