As General Motors prepares to launch its Gen 6 Small Block V8 engine family in conjunction with its next-gen light-duty pickup trucks, GM Authority has been bust serving up a variety of critical ...

A clear message emerges from GM’s dedicated enthusiasts: the decade-long era of ultra-thin engine oil must end. A recent poll conducted by GM Authority reveals a striking consensus among readers ...

In 2025, Consumer Reports reported how General Motors (GM) issued a safety recall affecting nearly 600,000 full-size trucks and SUVs equipped with its 6.2-liter L87 V8 engine. The investigation into ...