Lucio Alvarez and Ronnie Graue finished the 260 km competitive stage in 14th place.
Casteu takes over, it's sink or swim for the cars.
Giniel de Villiers and Dirk von Zitzewitz continue to lead the four-wheel drive petrol T1.1 class in their proudly South African bakkie.
Knowing that he could be sitting in the top-3 of the overall standings provides Gordon with the drive he needs, to make up as much time as possible each remaining day of the Dakar Rally.
Third stage success for the Monster Energy X-raid Team, and Orlando Terranova in the BMW X3 CC secures fourth place on Dakar's stage seven.