His Red Bull Holden was out of the race on the spot, sparking the first Safety Car of the race.
Percat is a former victor of the Bathurst 1000, having won in 2011 as a rookie with Garth Tander while Thomas Randle only has one start to his name though has been quick around the Mount Panorama Circuit, winning the Super2 race before the shootout this afternoon.
Shane van Gisbergen has secured a memorable Supercars victory for Holden in the iconic Australian motoring brand's final Bathurst 1000.
In a fitting send-off for the brand, race-winner Van Gisbergen held a Holden flag out the window of his Commodore on his victory lap around Mt Panorama.
The Red Bull Commodores have played second fiddle to the Ford Mustangs from Tickford Racing all weekend, but courageous strategy and a changing track were bringing Whincup and co-driver, Craig Lowndes, into the game.
What makes it more painful is the fact that the race marked not just the final event of a truncated 2020 season where Whincup failed to halt the charge of three-time champion Scott McLaughlin, but the final time Holden would be represented on The Mountain in a factory capacity after year.
"The last few laps were really tough with the safety cars, but the team did a faultless job".
In paying tribute to the brand, van Gisbergen stuck a Holden flag in his auto as he completed his victory lap.
"The auto got better all weekend, so thanks to the guys, we had a great vehicle, and a great way to send out Holden". "I just wish my mum and dad were here".
But he was still able to celebrate his third-straight Supercars championship after he clinched the title at last month's round at Tailem Bend.
While van Gisbergen took the chequered flag, it was a disastrous day for star Triple Eight teammate Jamie Whincup, who crashed out on lap-33.