The new Silverado HD is one of America's hardest-working trucks. It's also one of the most luxurious, and that's thanks to ...

This diesel V8 shows that extreme durability is possible in this era of complex engineering.

The 3.0-liter Duramax diesel in the 2027 GMC Sierra 1500 posts better fuel-economy ratings than the new gasoline V8 engines ...

General Motors is making a massive statement for the 2027 model year with its clean-sheet 8.3-liter Duramax turbo-diesel V8. Arriving in the updated 2027 Chevrolet Silverado HD and GMC Sierra HD, this ...

Following the removal of the dipstick from the half-ton gasoline V8 engines, the HD gasser also drops it for a digital ...

EPA ratings show lower fuel economy for the 2027 Chevy Silverado V8s, while several TurboMax and Duramax figures remain unavailable pending certification today.

The General Motors Duramax turbodiesel engine family has evolved a lot since these heavy-duty pickup truck engines first came onto the scene in the early 2000s. Among the iterations of the Duramax ...

General Motors once stated, on the record, that every prototype of its 4.5L Duramax V8 diesel had been destroyed. That claim just got a lot harder to defend. A surviving unit has surfaced in Sweden, ...

When it comes to the GMC Sierra HD, one of the biggest draws is obviously the capability on offer, with impressive towing and payload numbers attracting buyers that need them for work or play. That ...

The Chevy LBZ is often considered the "Holy Grail" of Duramax diesel engines, often leaving Chevy fans wondering what those three little letters could possibly stand for. Born from a collaboration ...