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

2013 Nissan LEAF updated

Nissan has updated the LEAF EV in Japan for 2013 with better range, less weight and a new LEAF S entry-level model. Revealed in Japan – but likely to come to the UK from 2013 when the LEAF starts rolling out of Nissan’s Sunderland factory – there are significant upgrades to the powertrain which result in both less weight and better range. Nissan has had a play with the electric powertrain and made it both smaller and lighter with a new motor that uses 40 per cent less dysprosium (a rare earth metal) than before, and comes in 30 per cent smaller and 10 per cent lighter, and a new streamline battery case and a few other tweaks drops the LEAF’s weight by 80kg.

Bentley Continental GT Speed

Bentley has just revealed the most powerful car ever produced by the company. Aptly named the Continental GT Speed, the new car boasts 600bhp and can reach a top speed of 202mph. Inspired by Bentley's 'Speed' models of the 1920s, the new model features numerous tweaks to the GT's V12 power source and some design revisions all its own.

Kia GT concept (2011) at Frankfurt motor show

When CAR visited Kia’s Korean test facility in Namyang back in April 2011, there were several clues to suggest the company was looking into some kind of high-performance saloon: we saw an M3 and a Nissan GT-R in the car park, plus a senior engineer told us that he and the team often pondered what it would be like to build a – very specific this – V6 turbo, rear-wheel drive sports coupe. Board members, meanwhile, suggested we wait until the 2011 Frankfurt motor show to see what performance treats they had planned. Well, here’s the first glimpse of what all those clues could mean: the Kia GT.