A cheeky taunt or two only serves to heighten the prospect of the enticing battle between the pair at Le Mans this weekend – and the ‘display’ in this video conducted by the Audi R18 e-tron Quattro outside Porsche’s Stuttgart HQ is far from subtle. But some aficionados will also have noticed the more discreet gibe shown on the trip there, when the Audi blazes past a Porsche tractor with ease. Roll on Saturday...

Video: Audi