Fast Facts
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GMC Sierra heavy-duty models are offered in 2500HD (three-quarter ton) and 3500HD (one-ton) models, and are available in Work, SLE and SLT trim. Three cab styles, three cargo box styles and five wheelbase lengths are available. Changes for 2010 are minor and include a pair of new exterior colors, OnStar 8.2 and the inclusion of a USB port on all but the base radio.
- New USB connectivity in center console, enabling stored audio files to play through the audio system and battery charging for some handheld devices
- OnStar 8.2 with long-range remote start and traffic probe
- Two new exterior colors: Taupe Gray Metallic and Sheer Silver Metallic









