General Motors, the owner of GMC, has made all sorts of impressive powertrains over the years. Muscle cars with V8s are ...

Before crazy trucks took over the market, the virtually identical turbocharged GMC Syclone pickup truck destroyed the idea that sports cars had to be non-crazy. The GMC gave trucks and SUVs ...

The legendary GMC Syclone was just about the fastest thing you could buy in 1991 with 280 horsepower from a 4.3-liter turbocharged V6 and all-wheel drive for traction from a dig. In head-to-head tests ...

Nowadays, it's easy to take performance trucks for granted with mega-horsepower brutes like the Ram TRX and Ford Raptor available to anybody with a thick enough wallet, but thirty years ago, the idea ...