Sainz takes Dakar fourth stage and race lead
Spain's driver Carlos Sainz competes during the 2014 Dakar Rally Stage 3 between San Rafael and San Juan, Argentina, on January 7, 2014
SMG Buggy driver Sainz, the 2010 Dakar champion, finished more than six minutes ahead of Frenchman Peterhansel, an 11-time winner on four wheels and two, with Qatar's Nasser Al-Attiyah, the 2011 victor, coming home in third place on the run from San Juan to Chilecito.
It was Sainz's 26th career stage win on the gruelling event and gave him an overall advantage of 2min 06sec on overnight leader Nani Roma in a Mini. Al-Attiyah, also in a Mini, is 6min 56sec behind Sainz.
Peterhansel clawed back a few minutes after a disastrous third stage on Tuesday saw him suffer six punctures in his Mini, but he remains 18min 10sec behind Sainz.
"At the beginning we had to drive in the dust, but little by little we managed to overtake several cars," said Sainz.
"We also got a bit lucky when, about 10 km before the finish, our power steering broke down in a narrow spot amid all the vegetation, but we easily made it to the finish all the same.
"In the second part there was a waypoint where we went right, but after a while we realised it had to be on the other side, so we headed left and we found it. No big deal, I think everyone made the same mistake."
In the motorcycle section, Spain's Juan Pedrero took the stage honours while Frenchman Cyril Despres, the defending champion and seeking a sixth career title, was the victim of an engine breakdown on his Yamaha which relegated him to 41 min 17 sec behind overall leader Joan Barreda on a Honda.
Despres had been second in the standings overnight, but he needed to stop for more than half an hour to fix the engine problem which was believed to have been caused by an electrical fault.
"My positioning system broke. I had to do a little handiwork to repair it," said Despres.
"But I am not discouraged. The day that I give up is the day I go home. I love this race and there are plenty of stages left before the finish at Valparaiso on January 18."