The new Caterham R500 has 520bhp per tonne. A Ducati Hypermotard 1100 S has 473bhp per tonne. So which is quicker on a B-road?Steve Sutcliffe took to the Millbrook Hill Route in the Caterham to find out if the latest in Catherham’s long line of mega-performance lightweights is quick enough to beat a modern superbike in “real world” conditions. Click here to see all the action - and to find out if bikes really are faster than cars…