The research vehicle is a testing platform aimed at the development of systems capable of enhancing the driver's perception of his or her environment, assisting in the decision-making process and improving overall driving skills.

ENGADGET: Lexus' autonomous Advanced Active Safety Research Vehicle and why we're not ready for self-driving cars

The platform for Loeb's win was created on Saturday when the Citroen driver won all six of the day's stages while Gronholm struggled on the wrong tyres.

BBC: SPORT | Motorsport | Rallying | Loeb into lead as Gronholm slips