GM Authority is hearing an interesting new detail about the potential displacement specs for the upcoming GM Gen 6 Small ...

As with the Toyota Tundra, both GMC models are converted and marketed without the direct support from parent company, General Motors.

People look to pickup truck engines for consistent power and long term durability. These ones in particular are among the all-time most reliable engines.

General Motors and heavy-duty trucks go a long way back. For the time being, the Chevrolet Silverado HD and its GMC-branded twin do the heavy lifting for the Detroit-based automaker. The Silverado HD ...

Should you buy a GMC Sierra or a Chevrolet Silverado pickup, and what's the difference? Imagine putting three engines in your 2024 Chevy Silverado 1500, and it has less than 15,000 miles. I would be ...

Many drivers still prefer manual diesel vehicles for their strong performance and great fuel economy. While automatic cars are more common today, manual diesels are loved for their control, lower ...

Are there battery drain and other issues with the 2024 GMC Sierra Duramax trucks? Seth Barker (@sethbarker03) shares his frustration. His TikTok video clip captures the moment his 2024 GMC Sierra ...

For many truck buyers, the choice of a diesel pickup over a gas-powered counterpart is driven by a few key factors: daily usability, solid fuel efficiency, and the ability to haul heavy loads while ...

Two brand-new 2025 trucks battle for the win. Which one is a better choice: the half-ton GMC Sierra or the heavy-duty Chevrolet Silverado? A fuel-efficient 3.0-liter Duramax or a 6.6-liter Duramax V8?

It’s an expensive day for General Motors trucks. The Chevrolet Silverado and GMC Sierra have both been facing claims over defective Duramax diesel engines. To settle the class-action lawsuit, General ...