A 353-hp 6.0L Vortec V-8 powers single rear-wheel (SRW) models, while dual rear-wheel (DRW) models have a 312-hp version of the 6.0L V-8. Both SRW and DRW versions are available with an optional 365-hp 6.6L Duramax diesel engine for extra towing capacity. Like all Sierras, the 3500HD is available in a wide array of bed sizes, wheelbases, drive types and cab sizes, as well as a variety of trim levels. Safety features include driver and passenger front air bags, tire pressure monitoring system (SRW only) and four-wheel antilock disc brakes.The Sierra 3500HD carries over from its redesign year (2007) with few changes.
We've put together a list of the latest & greatest GMC lease deals, rebates, and APR incentives. Get insider tips on how you can save the most money on a new GMC vehicle. View GMC Deals, Incentives and Rebates