When the off-road focused Sierra AT4X debuted, it was equipped with just a single engine option: GMC's premier 420-hp, 6.2-liter V-8. However, since the introduction of the rugged AT4 trim in 2019 ...

In the past few months, many mechanics have gone viral after sharing which cars are considered the most reliable—and which ones shoppers should avoid. One car that could soon be making that list is ...

GMC and Chevrolet are updating the engines on their full-size pickup trucks for the 2024 model year. GMC on Wednesday said it will make General Motors' second-generation 3.0-liter inline-six Duramax ...

GM’s latest recall affects more than 597,600 SUVs and pickup trucks from its Cadillac, Chevrolet and GMC brands. The issue involves connecting rod and crankshaft engine components, which may lead to ...

Since its introduction in 2022, the off-road-focused GMC Sierra 1500 AT4X has exclusively employed GM’s familiar 6.2-liter gasoline V-8. The AT4X model is now getting a welcomed powertrain addition ...

GMC this week announced a handful of updates for its 2024 Sierra 1500 full-size pickup, key among them being the addition of General Motors' Duramax 3.0-liter turbodiesel inline-6 as the standard ...

The most extreme version of the Sierra 1500, the off-road-capable AT4X trim, will now be offered with a fuel-sipping 3.0-liter Duramax diesel engine. The torquey unit will come as standard on the 2024 ...