Allstar Performance Wheel Spacer Wide 5 1 In Thick P/n 44215 on 2040-parts.com

Porsche 911 Turbo Cabriolet (2013) priced from £126,766

Meet the new kings of Porsche drop-tops: the new 911 Turbo Cabriolet and Turbo S Cabriolet. The turbocharged soft-top 911s are the fastest and yet most economical of the breed yet, sporting the same twin-blow 3.8-litre flat six as the coupe models, and a 195mph+ top speed. What’s the spec of the new Porsche 911 Turbo Cabriolet?

Hyundai ix35 Hydrogen FCEV for £300 a month and free fuel – but only in the U.S.

Hyundai Tucson Hydrogen FCEV (pictured) for £300 a month and free fuel – but only in the U.S. It’s very early days for cars powered by hydrogen fuel cells, not least because there’s very little in the way of a refuelling infrastructure in place. But car makers are starting to push FCEVs in a bigger way as production costs fall and performance increases, and Hyundai are at the forefront of this move with the hydrogen-powered ix35 and its US equivalent the Hyundai Tucson.

Concept Car of the Week: Ford Mustang I (1962)

Influenced by science fiction and Space exploration in the early sixties, Ford Motor Corporation developed a series of research vehicles to test innovative layouts, experimental technologies and futuristic styling on such radical concepts as the X2000, Levacar Mach 1 and the Gyron that still captivate the imagination. In parallel, Ford's advanced styling studio was also working on a more rational project that could influence production models to compete with GM Corvair Monza. Stylists and engineers came up with a high-performance 2-seater vehicle with the engine placed in front of the rear axle for better aerodynamics and improved weight distribution.