A new rumor suggests that the legendary Shelby GT500 Mustang is headed for production in the near future. The rumor can be traced back to a now-deleted post on the r/Mustang Reddit page that shows what looks to be a leaked United Auto Workers internal memo.

A document that appears to come from the UAW's Dearborn contingent is brimming with excitement over a new engine and where it will find a home.

A leaked memo from Ford's Dearborn Engine Plant says to expect a staffing increase this fall for the upcoming GT500's new mill.

A document purportedly from the United Auto Workers union claims the GT500 will return for 2026, packing an engine called 'Legend.'

Shelby looks to be planning a new GT500, according to a leaked United Auto Workers (UAW) document posted in the Mustang7G forum. The document directly references an upcoming 2026 GT500 while notifying UAW workers of additional shifts planned to increase production volumes and make room for the upcoming Shelby model.

Ford's Mustang Shelby GT500 has always been the top shelf of performance within the Mustang lineup—well, until Ford went and developed the Mustang GTD—but it disappeared after the 2022 model year, just before the S550-generation Mustang made way for the current S650 model.

The last Mustang Shelby GT500 hit the dealerships in 2022, but it sounds like Ford is ready to bring the GT500 back with a pretty significant upgrade.

Those are certainly iconic cars fans love, but the Shelby Mustangs get much of the attention, so a document allegedly from a local UAW branch purporting that a new GT500 is coming soon caught ours. The memo,