GM is taking the unprecedented step of removing some of the badging on its unsold trucks starting in 2026. Here's how GM ...

The longstanding partnership between General Motors (GM) and Allison Transmission is set to end after this year. This development will see the Chevy Silverado HD and GMC Sierra HD models drop the ...

Next year, heavy-duty GM trucks will lose their Allison badges, even though the transmissions themselves won't change.

After more than two decades working together, General Motors and Allison Transmission are officially splitting up.

The two brands have worked together for decades, but they couldn't reach an agreement to extend their longstanding licensing deal.