The German topped the morning session from the halfway level earlier than enhancing on his private finest on the very finish, ultimately posting a 1m05.301s which left him greater than two tenths away from Nick Cassidy.
A crimson flag was deployed shortly after the opening 5 minutes when Oliver Rowland went off at Flip 1, the Mahindra driver making gentle contact with the barrier however unable to get underway once more because of a technical challenge.
As soon as the session resumed after greater than a five-minute delay Sebastien Buemi moved to the highest of the instances with a 1m06.311s, the Envision Racing driver one-tenth quicker than Jake Dennis.
The Andretti Autosport driver went forward of Buemi along with his subsequent effort – a 1m06.109s – however was dropped again to second moments later as Buemi responded with a 1m05.686s.
It left him greater than two tenths away from Jean-Eric Vergne, because the DS Penske driver moved into second with the Jaguar machines of Sam Chook and Mitch Evans occupying third and fourth.
A time of 1m05.600s by Vergne despatched him to the highest of the instances shortly earlier than the midway level of the session, which was prolonged by seven minutes following the crimson flag delay to retrieve Rowland’s stranded automobile.
Gunther’s 1m05.444s was adequate to place him quickest with quarter-hour remaining as Stoffel Vandoorne moved into third, lower than two tenths off the Maserati MSG driver’s finest.
The highest of the order remained unchanged till the ultimate minutes as Antonio Felix Da Costa moved into third, splitting the DS Penske drivers with a 1m05.616s, however on the chequered flag Cassidy moved into second with a 1m05.556s, to leap forward of Vergne, da Costa and Vandoorne.
Regardless of being quickest Gunther lowered his time additional along with his final effort to maneuver 0.255s clear on the high of the instances.
Stoffel Vandoorne, DS Penske, DS E-Tense FE23
Photograph by: Alastair Staley / Motorsport Images
Vandoorne had earlier topped FP1 on Friday night, posting a 1m05.803s on his last lap to place himself +0.085s forward of Dennis.
The Andretti Autosport driver had occupied the highest spot for the ultimate third of the 30-minute session with a 1m05.888s earlier than being shuffled again to second by Vandoorne’s late effort.
Maserati MSG loved a powerful session, Gunther ending third and Mortara fifth – the latter having his entrance wing changed after damaging it in opposition to the barrier on the exit of Flip 4 early within the session.
Vergne was sandwiched between the pair in fourth, lower than two tenths behind his DS Penske team-mate on the high of the instances, because the Jaguars of Chook and Evans accomplished the highest seven.
Da Costa occupied eighth whereas Porsche team-mate and championship chief Wehrlein was down in seventeenth, seven tenths off the tempo.