I wrote back in November that General Motors and Allison Transmission were set to part ways after decades of collaboration.
While news broke last fall that GM was planning to remove Allison branding from its heavy-duty pickups, the companies have ...
After a messy split, GM and Allison Transmission smooth things over for HD pickups ...
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Why the Sierra Classic 454 became GMC’s heavy hitter
Collectors chase the GMC Sierra Classic 454 because it captures the last gasp of big-block torque in a square-body truck. Buyers now want clear answers on which years carried the 454 badge from the ...
GM and Allison Transmission have announced that they will continue their branding collaboration, reversing an announcement made back in November of 2025.
GM Allison Transmission badging returns on 2026 heavy-duty pickups after a brief fallout, with Chevrolet and GMC restoring ...
One day, you know someone's going to talk about the rare GM trucks missing an important badge ...
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