The redesigned 2027 GMC Sierra 1500 with the TurboMax 2.7L engine will get a transmission upgrade, moving from the 8-speed ...
MegaMax is speculated to be a larger-displacing version of the 6.6L Duramax diesel that displaces 8.3 liters. It’s slated for GM’s next-generation full-size, heavy duty pickup trucks – the Chevy ...
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