GM Authority

GM Keeping A Close Eye On Duramax Diesel LZ0 Engine Issues

Quality issues related to the 3.0L I6 LZ0 turbodiesel Duramax are drawing more and more attention online, and in response, GM ...

GM’s 6.2 L V8 problems are far from over as the feds step in

GM's current 6.2-liter V8 made headlines for all the wrong reasons in 2025. Internally known as the L87, it's been slapped ...
GM Authority

NHTSA Investigating Post-Recall GM 6.2L L87 Engine Failures

NHTSA launches Recall Query RQ26001 to investigate 36 reports of catastrophic L87 engine failures occurring after vehicles ...
AutoGuide on MSN

GM's Recalled 6.2L V8s Are Still Blowing Up Even After Being 'Fixed'

Federal safety regulators are once again taking a look at General Motors’ 6.2-liter V8 after receiving dozens of complaints ...
The Daily Dot

‘Tell them u want your money back and go buy Ford’: Man buys brand-new 2025 GMC Sierra with 100 miles. Then it breaks down in the Target parking lot

A new GMC Sierra owner claims his car is already experiencing issues after just 100 miles of driving. Alex Jokic (@adjokic) posted a viral TikTok that’s accrued over 1.7 million views on the popular ...
autoevolution

Chevy Silverado and GMC Sierra Singled Out With Major Engine Problems by Consumer Reports

The latest Consumer Reports reliability rankings taint the Chevy Silverado and GMC Sierra’s reputation, as both models came out on top with “major engine problems.” The Consumer Reports ranking is ...