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Mercedes unveils powerful new AMG 4.0-litre twin-turbo V8

By John Mahoney Motor Industry 25 July 2014 17:09 Mercedes AMG has released details of an all-new 503bhp 4.0-litre twin-turbo V8 that will help fill the void when the production of its normally aspirated 6.2-litre V8 ends. Lightweight, compact and more efficient than the big 6.2-litre it replaces, the new smaller capacity turbocharged V8 produces 479lb ft from just 1750rpm. The first car to receive the new engine will be the Porsche 911-rivalling Mercedes AMG GT, but other smaller cars like the C63 AMG are also set to benefit from its compact design.

Infiniti FX Sebastian Vettel – just 200 being built

Infiniti FX Sebastian Vettel - 200 going on sale The Infiniti FX Sebastian Vettel – a tweaked and titivated FX50S – is going in to production. Just 200 being built. Last year we had an Infiniti FX special edition concept to make the most of Infiniti’s spend on Red Bull Racing – the Infiniti FX Sebastian Vettel – which we subsequently reported was going in to production.

Tesla Roadster Sport – fresh photos

Tesla has released new images of the Tesla Roadster Sport as the order book opens But despite the hype on the Tesla Model S earlier in the year, the next model to arrive will be the Tesla Roadster Sport – a beefed up version of the current Roadster. And Tesla are ramping up the awareness by releasing the new pictures you see here. The Roadster Sport gets 15% more peak power that the standard Roadster, which should propel the little Roadster to 60 mph in around 3.7 seconds, which is no mean feat, despite the Roadster’s dinky dimensions.