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Top Gear: John Prescott, Jaguar XJ, Porsche 959 Ferrari F40 & Moon Buggy

John Prescott is this week's SIARPC on Top Gear That’s it, then. The end of Top Gear ’til later in the year, so the Sky+ won’t have much work on a Sunday until F1 returns in four weeks time. Tonight the Beeb are chuffed to have bagged John Prescott to be this week’s Star in a reasonably priced car and spar with Jeremy.

BMW M4 Convertible revealed. Price from £60,730

The BMW M4 Convertible (pictured) revealed We reported last month that the new BMW M4 Convertible would debut at this year’s New York Auto Show, and here it is ahead of that debut complete with trick folding metal roof, 425bhp and a price tag that just nicks over the £60k line. A direct replacement for the old M3 Convertible, the M4 Convertible will cost you just over £4k more than the M4 Coupe, but for the extra money you get the same car but with infinite headroom – and a big weight penalty. The new 3-piece metal folding roof can be tucked away in a mere 20 seconds at the flick of a switch, with better noise insulation than the M3 Convertible had and more room in the boot when the roof is down too.

First Sight: Renault Radiance concept truck

At this years IAA truck exhibition in Hannover, Germany, Renault Trucks surprised everyone by presenting a dynamic look into its future with the 'Radiance' concept truck. By capitalising on the cultural heritage of the brand, based on the three values of efficiency, 'caring and daring', and innovation, Renault Trucks have produced what they imagine to be a 'dream truck' which outlines their truck design language for the future. Xavier Allard, the design cheif of Renault Trucks explains his newest creation: "It should give people a look into a new chapter in the history of Renault Trucks".