Who’d ever thought classic work trucks would return as race cars? Well, there’s a small community of tuners boosting lawnmowers and forklifts – let’s hope this madness doesn’t go mainstream in the ...

Before Sierra became the enduring model name for GMC's full-size pickup, it served as a badge of distinction for the brand's trim levels, marking a truck's place in the hierarchy of comfort and style.

The 2007 GMC Sierra 1500HD was carried forward from the 2006 model year and marketed as the "Classic" while GM readied the debut of their redesigned New Sierras. The Classic was virtually unchanged ...

The story of John McLeod's 1985 GMC High Sierra started out innocent enough. Classic Instruments was in the development stages of ensuring a perfect fit for its new 1973-87 square body direct fit ...

It is hip to be square in Nebraska this weekend. A huge collection of General Motors "Square Body" trucks is being auctioned in Grand Island, Nebraska on June 25. Square Body is the nickname for GM's ...

Sold under the Chevrolet and GMC brands between the 1973 and 1991 model years, the third generation of GM’s C/K series was baptized as the ‘Rounded Line’ by its maker. Alas, serious C/K fans know this ...

The story of John McLeod's 1985 GMC High Sierra started out innocent enough. Classic Instruments was in the development stages of ensuring a perfect fit for its new 1973-87 square body direct fit ...

In the same year as an all-new Sierra 2500HD was introduced, GMC continued to allow customers a chance to purchase the previous generation vehicle. The first generation GMC Sierra 2500HD became the ...