Ralph and his two teams construct machines to beat Shane's Bentley Bentayga.

RalphHosier and his teams take on Shane Lynch's Lamborghini Huracan Performante with the vehicles that they have built themselves.

Ralph and his teams of guerrilla mechanics take on Shane's Land Rover Discovery.

Ralph and his two teams of car buffs build scrap cars to try and out-brake Shane's Jaguar F-Type SVR.

Teams build scrap four-by-four cars which they then race against Shane's Mercedes X Class pick-up in a rock crawl.