The Biggest Problems With GM's 8-Speed Transmission

General Motors' 8-speed automatic transmission is known for presenting a few common issues. Here's what you need to know ...
The Daily Dot

‘I hate it’: Woman buys GMC Sierra. Then the transmission goes out twice in 1 year

Shannon Elizabeth (@singegneri), a 2019 GMC Sierra Texas Edition owner, has had it with her transmission issues. She claims you pay “so much” and have to get multiple transmission repairs. The Daily ...
GM Authority

Some 2024 GMC Sierra HD Units Will Need A Transmission Replacement

General Motors has released a Safety Recall for certain units of the 2024 GMC Sierra HD pickup that were produced with a transmission direct overdrive carrier built with an incorrect caged piston ...
Torque News

My 2021 GMC Sierra 1500 Needed a New Transmission, But the Way My Dealer Handled It Proved Why I’ll Be Buying My Third Truck From Them

When a 2021 GMC Sierra 1500 owner’s transmission failed, what followed became a rare example of how true dealership loyalty ...
The Daily Dot

‘It’s actually worth less than what I owe’: Woman issues PSA about her GMC Sierra. The problem is widespread

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 ...
Torque News

2019 Chevy Silverado Owner Says, “I Had My Transmission Flushed, Just Shy Of 45K Miles, The Dealer Charged Me $562, Did I Pay Too Much?”

The 8-spd transmission in Mike's 2019 Silverado hit 45k miles, demanding a pricey flush. The bill? $562. That steep cost has ...
GM Authority

Some GMC Sierra HD Units Will Need A Transmission Filter Replacement

GM has issued a service update for certain 2024 and 2025 GMC Sierra HD units that have been found to have sediment present in their transmission fluid, with a field action available to fix the problem ...