2008 GMC Sierra 1500: What is the towing capacity including torque, payload, and tongue weight?

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Alex S. January 26, 2021
The 2008 GMC Sierra 1500 series has a towing capacity of 4,400 pounds all the way up to 8,600 pounds. The variance in towing capacity is based on the engine that is chosen for the vehicle. The tongue weight raring ranges froM440 to 860 pounds depending on the tow rating for the vehicle. The GMC Sierra has 260 to 417 pound feet of torque depending on the engine in the vehicle. The smallest being the V6 engine and the highest amount of torque coming from the largest V8 option on the market. The payload capacity of the truck is 1,530 to 1,975 pounds depending on the options as well. This can also vary depending on the truck bed sizes.
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Pat T. January 2, 2020
The 2008 GMC Sierra 1500 has 46 configurations, so the towing capacity ranges from 4,400 to 8,600 pounds. The torque ranges from 260 lbs.-ft. @ 2,800 rpm to 417 lbs.-ft. @ 4,300 rpm. The payload varies from 1,530 to 1,975 pounds. The tongue weight is 440 to 860.
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