We're watching as a factory-built GMC Syclone faces off with a homebuilt alternative known as the SikeClone. Which of these go-fast pickups will take the win?

The 2024 GMC Sierra 1500 Denali Ultimate is an outstanding luxury pickup truck with a sonorous and responsive 6.2-liter V-8 engine, but it's let down by some parts-bin interior trim and a finicky ...