The Chevrolet Silverado car is the 2nd largest volume of vehicles to the USA, behind the Ford F-Series truck. Combined with the platform mate GMC Sierra, the platform usually outsells the Ford F-Series, which is actually two different platforms standard and heavy duty models, not counting SUV derivatives such as Suburban , Tahoe, Escalade, or Yukon. For the first half of 2008, 231320 Silverados were sold to the USA, compared to 274713 Ford F-Series. With 83174 GMC Sierra also sold in the same period, the GM vehicles outsold Ford pick-up by 14.5% (compared to just over 15% for the same period of 2007).