In a recent video, TikToker Shannon Elizabeth (@singegneri) described a frustrating—and pricey—experience with her 2019 GMC Sierra Texas Edition. “My truck might look really nice and expensive,” she ...
The General Motors 8L family of transmissions has been in service since 2014, gradually replacing older 6L six-speed units across much of the company's lineup. The bigger 8L90 was the first GM 8-speed ...