Discover the surprising Japanese roots of GM's popular Duramax diesel engine, a powerhouse for US pickup trucks since 2001.

MAHLE Lifecycle and Mobility has introduced comprehensive gasket coverage for Duramax L5P 6.6L and Subaru FA24F 2.4L engines.

No chrome here; this is a truck meant for value without giving up style and capability. With blacked-out exterior handles and ...

A GMC Sierra 1500 owner is stunned that his diesel truck delivers a "shockingly good" 23.5 MPG on logging roads, even with ...

With four engines and a range of configurations, the 2026 Chevy Silverado 1500 offers competitive tow ratings, and now, GM Authority is taking a closer look.

Chevrolet, Ford, Freightliner, and more offer updated 2026 medium-duty models with enhanced safety, tech, and alternative ...