In its factory setting, the GMC Seirra uses the 6.2-liter EcoTec3 V8 engine to make a commendable 420 hp. But the 2025 Sport ...

Based in England, Diesel Pump UK specializes in fabricating high-quality aftermarket parts for Mercedes diesel engines. They ...

Custom trucks are pretty popular these days, but this rig steps it up to a whole new level. What we’re seeing here is a 1993 GMC TopKick boasting a variety of interesting upgrades and unique touches, ...

Despite what you might think, classic American cars are more popular overseas than they've ever been in the past. Whether because of the internet or some other factor, it seems national boundaries ...

Just last month, GM Authority wrote about the uniquely customized 2024 GMC Acadia Denali owned by Alyshia Lesley in Canada, who got a blacked-out look for her vehicle rather than the chrome trim and ...

Inspiration can come when one least expects it, and from unlikely places. Take David Favorito and his '41 GMC panel truck for example. "It all started 31 years ago," recalls David. "I went to the ...

There aren't that many all-electric GMC Hummer EV trucks on the road, so naturally, there aren't that many customized ones silently zipping around. Plus, it's one of those vehicles that doesn't really ...

In the wake of our recent big-rig coverage, this report focuses on a GMC TopKick pickup that, although bigger than the full-size rigs we typically cover, is not quite as sizable as a Class 8. This ...

Officially, it was called the GMC F-Series, a Class 8, tilted-cabover design. But almost immediately it was dubbed the “Crackerbox” by American truckers — a nod to its uncanny resemblance to a metal ...