GMC Sierra Heavy-Duty Truck

In June, I attended a Ride & Drive of the 2011 General Motors Heavy Duty pickups. The presentation was held in Maryland and included the GMC Sierra and the Chevy Silverado trucks. The platform and chassis are the same, but the exterior appearance and interior touches are different. For 2011, GMC Sierra is making some very notable changes in their heavy-duty trucks.General Motors has a long