On the same day his Test ambitions likely ended for good, the veteran allrounder belted a game-high unbeaten 58 in Thursday's clash while also taking two important catches in the deep.
Marcus Stoinis (4) was out cheaply, but the Stars captain claimed 2-30 in a valuable contribution with the ball as the hosts kept the Sixers to 9-140 in their chase of 5-156.
Glenn Maxwell at his brilliant best!— KFC Big Bash League (@BBL) Here's all the boundaries from his 58* off 32 balls. #BBL14 pic.twitter.com/1aov9DSm7YJanuary 9, 2025
Englishman Ben Duckett appeared to have cost the Stars dearly when he dropped countryman James Vince on 36.
It was only two weeks ago Vince smashed an unbeaten century in a thumping Sixers win against the Stars at the SCG on Boxing Day.
But Maxwell made no mistake when he hung on to a high catch in the deep, leading to Vince departing for 53.
The 36-year-old almost spilled the chance, too, and stayed on the ground for a long time in pure relief.
Just two balls later, Maxwell was in the action again when he took a catch to dismiss Sixers captain Moises Henriques, sparking passionate, animated celebrations with Stoinis and other Stars players.
"'Maxi' and I have been here for 100 games each. We love this club," Stoinis told AAP.
"As much as anyone, I think in the comp, we want our club to be back at the top where we know it should be.
"We want to win every game, but these wins mean a lot to us so I guess that emotion just comes out."
Maxwell was overlooked for Australia's Test tour of Sri Lanka on Thursday, with selectors preferring younger options in the squad.
"Credit to Maxi. Look, he might be disappointed about the Test squad," Stoinis said.
"There's arguments for him to be in that but the true professional he is, he rocked up, showed the crowd, showed us what he can do."
Numerous replays were needed to decide on a return catch to Stars spinner Usama Mir (2-19), with Sixers allrounder Jack Edwards eventually given out by the TV umpire.
These reactions 😤— KFC Big Bash League (@BBL) Marcus Stoinis and Glenn Maxwell were PUMPED to dismiss Moises Henriques. #BBL14 pic.twitter.com/FI8lb6vAYHJanuary 9, 2025
Stuck in a deep hole at 4-60 at the halfway mark of their innings, the Stars were rescued by an 88-run stand between Maxwell and Test hero Beau Webster (48).
During Maxwell's blazing 32-ball knock, he became the fifth player in BBL history to reach 3000 career runs, joining Chris Lynn, Aaron Finch, D'Arcy Short and Henriques.
Play was stopped for about two minutes after a seagull was taken down by a powerful shot from Vince.
After starting the season 0-5, the Stars can still qualify for finals if they beat the Melbourne Renegades and Hobart Hurricanes in their remaining two games and other results go their way.
The Sixers (4-2, one no-result) missed a golden opportunity to consolidate their position on top of the table ahead of a clash at the SCG on Saturday against the Perth Scorchers.