The DS Penske driver was marginally slower within the opening sector in Brazil in the course of the qualifying last shootout, however discovered over a tenth of a second within the center sector to place him in prime place.
The Belgian held his benefit by the ultimate sector to put up a 1m11.904s, which put him 0.063s away from Porsche driver da Costa to make sure he secured his maiden pole for DS Penske and first of the season.
Da Costa, winner final outing on the Cape City E-Prix, will begin second for this afternoon’s race.
The Portuguese driver booked his place within the last having recovered from being behind Jaguar’s Mitch Evans early within the second semi-final. He discovered two tenths on his Kiwi rival within the last sector to undergo with a 1m11.982s, the hole was simply 0.040s on the line.
Vandoorne had set a barely quicker time moments earlier – a 1m11.929s – to edge Edoardo Mortara within the opening semi-final because the Maserati MSG driver misplaced out by practically two tenths.
A faster time for Evans means he’ll begin third on the grid, with Mortara alongside in fourth.
A mistake at Flip 7 for Jake Hughes (McLaren) handed Vandoorne his spot within the semi-final, the Briton dropping six tenths after working barely extensive as Vandoorne posted a 1m11.920s.
Da Costa in the meantime disposed of the opposite Maserati automobile in his quarter-final, comfortably beating Maximilian Guenther by two tenths with a 1m11.982s.
Sam Chook misplaced out to Jaguar team-mate Evans within the quarter-finals, however set the quickest dropping time with a 1m12.037s to qualify fifth.
Stoffel Vandoorne, DS Penske, along with his Julius Baer pole place award
Picture by: Sam Bagnall / Motorsport Images
Nonetheless, Chook will begin tenth although because of a five-place grid penalty for a collision with Evans in Hyderabad which he was unable to serve in Cape City.
Mortara edged Nick Cassidy within the closest quarter-final battle, because the Envision driver missed out by solely 0.018s.
Vandoorne had earlier topped Group A, posting a 1m12.761s which put him 0.091s away from Cassidy with Mortara and Hughes additionally reserving their spots within the duels – the highest 4 lined by lower than a tenth-and-a-half.
The most important casualty from the qualifying group was championship chief Pascal Wehrlein, because the Porsche driver ended up greater than half a second off the tempo and will solely end eighth within the session, consigning him to 18th on the grid.
Earlier there had been a red-flag on the midway level within the 12-minute session when Sergio Sette Camara got here to a cease after hitting a bump earlier than the Flip 4 chicane, which induced a system reset for his NIO 333 machine.
Chook was quickest in Group B with a 1m12.669s, simply 0.029s quicker than Guenther, as da Costa and Evans accomplished the highest 4.
Jake Dennis, second within the championship, did not capitalise on Wehrlein’s poor qualifying as he may solely set the seventh quickest time – 0.322s off Chook’s finest – and can begin 14th.
Brazilian driver Lucas di Grassi will begin final for his dwelling race after the Mahindra driver hit the wall along with his right-front wheel at Flip 8 early in Group B qualifying.