Coulthard triumphed by just four-tenths in what was remarkable 24-lap affair, the Kiwi getting the best of a three-way battle for the lead in the closing stages.
The three protagonists at the front were Coulthard, Shane van Gisbergen and Jack Le Brocq, the two Mustang drivers benefitting from the high tyre that hit the Triple Eight Holden hard.
Van Gisbergen had led the majority of the race, taking over at the front after McLaughlin and Whincup clashed on the first lap.
However tyre condition became a serious issue for van Gisbergen across the second stint, bringing Le Brocq and Coulthard into the game.
It was Le Brocq that looked the racier of the three, however two attempts at passing van Gisbergen led to him running wide and losing a position to Coulthard.
The second time Coulthard didn’t give it back either, passing van Gisbergen at the start of the penultimate lap and then holding off Le Brocq to secure his first win in 41 starts.
“Forty one is a long time,” said Coulthard.
“To get a win is awesome. We bided our time there at the end. [The car] has been good, but we can always improve and make it better.”
Van Gisbergen, meanwhile, went from leading across the line with two laps to go to finishing way down in ninth, the T8 driver swamped thanks to his lifeless Dunlops.
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