2003 GMC Sierra 1500: What is the towing capacity including torque, payload, and tongue weight?

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Alex S. January 26, 2021
The 2003 GMC Sierra 1500 series has a towing capacity of 7,900 to 10,200 pounds depending on the options are on the vehicle. This means that it has a tongue rating of 990 to 1020 pounds depending on the option as well. The payload capacity on a GMC Sierra 1500 series is 2,783 to 3,094 pounds and this is more than a lot of the other half ton trucks that are on the market. This weight also includes the weight of the passengers in the vehicle. The GMC Sierra 1500 series also has 260 to 370 pound feet of torque depending on the options. There are two different engine options that are available.
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Pat T. January 2, 2020
The 2003 GMC Sierra 1500 has 2 trims and the capacity varies between them. The towing capacity ranges from 9,900 to 10,200 pounds, so the tongue weight is of 990 to 1020 pounds. The payload is between 2,783 to 3,094 pounds. The engine torque is 360 lbs.-ft. @ 4,000 rpm.
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