GMC Sierra Bed Sizes

Pickup drivers haul things. That’s a fact. Whether it’s hauling construction materials for work or helping a friend move some furniture, most Fairmont drivers end up loading up the back of their trucks at some point. Is the 2023 GMC Sierra bed size big enough to handle what you have to haul? Even the Sierra 1500 can haul over 2,000 pounds. And the 1500 and HD models have more cargo box volume than their competitors. Let’s take a closer look at the GMC Sierra truck bed dimensions below.

2023 GMC Sierra Bed Sizes: 1500, 2500, 3500

2023 GMC Sierra 1500 Bed Sizes

The 1500 is the “light duty” version of the Sierra in name only. Its three bed options have enough capacity and volume to handle most Morgantown drivers’ needs. Here are the specs for its standard truck bed size—as well as for its long and short box options:

GMC Sierra Truck Bed Dimensions – Sierra 1500

• Cargo Box Length (short box/standard box/long box) – 69.92/79.44/98.20 inches
• Cargo Box Width at Floor – 71.40 inches
• Cargo Box Width at Wheel Housings – 50.63 inches
• Cargo Box (Area) Height – 22.40 inches

Cargo Bed Volume

• Short Bed – 62.90 cubic feet
• Standard Bed – 71.70 cubic feet
• Long Bed – 89.10 cubic feet

Payload

When properly equipped, the Sierra 1500 can handle a payload of up to 2,270 pounds. Your model’s upper limit will vary depending on its weight, so be sure to reference your owner’s manual carefully. Your 2023 GMC Sierra bed size will not have an extraordinary impact on your payload, but models with longer beds tend to be heavier than those with shorter boxes.

2023 GMC Sierra 2500 Bed Sizes

Upgrade to one of the Sierra Heavy Duty models if you need a higher payload capacity. The HD models have no short bed option, however. Here are the 2500 dimensions:

GMC Sierra Truck Bed Dimensions – Sierra 2500

• Cargo Box Length (standard box/long box) – 82.25/98.27 inches
• Cargo Box Width at Floor – 71.40 inches
• Cargo Box Width at Wheel Housings – 50.55 inches
• Cargo Box (Area) Height – 21.00 inches

Cargo Bed Volume

• Standard Bed – 69.50 cubic feet
• Long Bed – 83.50 cubic feet

Payload

The Sierra 2500 HD can haul up to 3,862 pounds in its truck bed. Once again, your precise capacity will vary depending on the weight of your model.

2023 GMC Sierra 3500 Bed Sizes

For the highest payload capacity, opt for the Sierra 3500, which is capable of hauling over 5,700 pounds. Remember, all of the Sierra models offer Best-in-Class cargo box volume. Here are the 3500 dimensions:

GMC Sierra Truck Bed Dimensions – Sierra 3500

• Cargo Box Length (standard box/long box) – 82.25/98.27 inches
• Cargo Box Width at Floor – 71.40 inches
• Cargo Box Width at Wheel Housings – 50.55 inches
• Cargo Box (Area) Height – 21.00 inches

Cargo Bed Volume

• Standard Bed – 69.50 cubic feet
• Long Bed – 83.50 cubic feet

Payload

A properly equipped Sierra 3500 HD can accommodate a payload of up to 6,610 pounds.

2022 GMC Sierra Bed Sizes: 1500, 2500, 3500

2022 GMC Sierra 1500 Bed Sizes

GMC Sierra Truck Bed Dimensions – Sierra 1500

• Cargo Box Length (short box/standard box/long box) – 69.92/79.44/98.20 inches
• Cargo Box Width at Floor – 71.40 inches
• Cargo Box Width at Wheel Housings – 50.63 inches
• Cargo Box (Area) Height – 22.40 inches

Cargo Bed Volume

• Crew Cab – 71.7 cubic feet
• Double Cab – 71.7 cubic feet
• Regular Cab – 89.1 cubic feet

Maximum Payload

• Crew Cab – 2,140 pounds
• Double Cab – 2,170 pounds
• Regular Cab – 2,280 pounds

2022 GMC Sierra 2500 HD Bed Sizes

GMC Sierra Truck Bed Dimensions – Sierra 2500 Heavy Duty

• Cargo Box Length (short box/standard box/long box) – 82.20 inches
• Cargo Box Width at Floor – 71.40 inches
• Cargo Box Width at Wheel Housings – 51.85 inches
• Cargo Box (Area) Height – 21.00 inches

Cargo Bed Volume

• Standard Bed – 69.50 cubic feet
• Long Bed – 83.5 cubic feet

Maximum Payload

• Crew Cab – 3,597 pounds
• Double Cab – 3,657 pounds
• Regular Cab – 3,650 pounds

2022 GMC Sierra 3500 HD Bed Sizes

GMC Sierra Truck Bed Dimensions – Sierra 3500 Heavy Duty

• Cargo Box Length at Floor – 69.92 inches
• Cargo Box Width at Floor – 71.40 inches
• Cargo Box Width at Wheel Housings – 50.63 inches
• Cargo Box (Area) Height – 22.40 inches

Cargo Bed Volume

• Standard Bed – 69.50 cubic feet
• Long Bed – 83.5 cubic feet

Maximum Payload

• Crew Cab – 5,662 pounds
• Double Cab – 5,777 pounds
• Regular Cab – 2,280 pounds

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