Have you ever been out driving on the highway, when suddenly, a massive silhouette passes you by? It's not quite a big-rig truck, but it's certainly a whole lot bigger than an ordinary pickup ...

A front view of a red 2025 Chevrolet Silverado 3500HD ... The main feature of the dually truck type is four wheels connected to a rugged rear axle under widened rear fenders.

The main feature of the dually truck type is four wheels connected to a rugged ... and various drivetrain upgrade options. The Chevrolet Silverado HD and GMC Sierra HD were pleasantly refreshed ...