With the BMW M4's direct rivals getting on a bit, we pit it against a foe far tougher - the Porsche 911 Carrera. Track battle video here
We've had our first taste of the mighty Ferrari 458 Speciale on the road; now here's the full track test and video of the supercar at the Anglesey circuit
The Audi R8 Plus has a 322bhp advantage over the Renault Clio Cup racer - but it doesn't have slick tyres or such a lack of inertia.
Is this the wildest Ariel Atom yet? We try the lairy new Atom 3.5R on a very wet circuit. Video review here
The new Porsche Cayman GTS takes on its harder cored uncle, the fantastic 996-generation 911 GT3. A close track battle ensues
It's Porsche Cayman v BMW M235i in our latest track twin test video. Which German sports car comes out on top?
SEAT's new Leon Cupra 280 goes up against the king of hot hatches, the Renault Megane 265 Cup. Video here