The GMC Sierra HD range, which consists of the Sierra 2500 HD and Sierra 3500 HD, is receiving a major refresh for the 2024 model year. Announced a few weeks ago in early October, the refresh ...

If you have a Mac with Front Row and a fast internet connection, today’s hint will let you watch high-definition trailers in Front Row. It does require a brief trip to the Terminal, but it’s really ...

Back in August, GM Authority brought you the very first spy shots of the upcoming Silverado HD refresh in prototype form draped in camouflage while undergoing testing. Today, just days after GM ...

Front clip swaps are all the rage these days, and guys are taking things to extremes by switching brands and even eras to really make it hard to identify their rides. That's all fine and dandy, if you ...