The County Tyrone driver was 0.2 seconds quicker than his Citroen team-mate Sebastian Loeb.
Kris was also the fastest driver on the opening test of the day stage 13.
Today's performance will help to ease the disappointed of Friday when a broken suspension ended his chances of a podium finish and he came back in under super rally rules.
Defending drivers champion Sebastian Ogier finished the four-day rally in the French Alps with a 58.0sec lead in his Volkswagen Polo R.
Finn Jari-Matti Latvala finished second, 1min 14.3sec ahead of Andreas Mikkelsen, who completed a 1-2-3 for the Volkswagen squad.