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*Based on model year EPA mileage ratings. Use for comparison purposes only. Your atual mileage will vary, depending on how you drive and maintain your vehicle, driving conditions, battery pack age/condition (hybrid only) and other factors.
VIEW OUR INVENTORYMany configuration possibilities; high towing capacity; optional dual-rear wheel setup; available luxury options
The GMC Sierra HD trucks gets a few minor updates for 2018. For starters a MyLink 7-inch touch-screen audio system with six speakers is offered as standard equipment. A rearview camera is also standard while the updated TPM system includes Tire Fill Alert to warn when you've reached proper tire inflation specifications.
