GMC’s heavy-duty luxury Sierra pickup resembles a Cadillac that has mated with a Caterpillar Mining Truck. That is, it’s huge, it’s heavy, it’s tall and it has enough off-roading doodads and gadgets ...

General Motors has improved the Sierra 1500, with increased payload and towing capacities, plus a deeper bed. It also improved the powertrain, fuel economy and introduced several unique innovations on ...

Over 20 years ago GMC noticed a market developing for luxury pickup trucks. There was a subset of buyers that needed a truck’s capability, but still wanted the posh suppleness of a luxury sedan. The ...

When it comes to pickup truck rivalries, the Ford F-150/Chevrolet Silverado 1500 battle is the one that immediately comes to mind. But in auto industry terms, that rivalry should include a third ...