2025 GMC Sierra Bed Sizes

When looking for a capable full-size truck, Lincoln drivers know they can count on the GMC Sierra 1500. With three cab sizes, three bed lengths, eight trim levels, four engine options, and a choice of two-wheel drive or four-wheel drive, there is a GMC Sierra 1500 configuration for every Omaha business or Elkhorn family need.

So, what are the dimensions of the GMC Sierra 1500 bed sizes? And how much can the GMC Sierra 1500 carry? Explore the GMC Sierra 1500 bed size dimensions and payload capacity in this guide from the team at Sid Dillon Buick GMC Fremont!

What Are the Dimensions of the 2025 GMC Sierra 1500 Bed Sizes?

The 2025 GMC Sierra 1500 bed size options include an 8-foot long bed, a 6.5-foot standard bed, and a 4-foot short bed. Although not every bed length is available with every cab size, GMC offers the most popular combinations demanded by truck buyers. See the exact dimensions of each 2025 GMC Sierra 1500 bed size and their cab availability below:

2025 GMC Sierra 1500 Bed Sizes:

Long Bed

Available On: Regular Cab

• Cargo Box Length @ Floor: 98.2 inches

• Cargo Box Width @ Floor: 71.4 inches

• Cargo Box Width @ Wheelhousings: 50.6 inches

• Cargo Box Height: 22.4 inches

Standard Bed

Available On: Regular Cab, Double Cab, Crew Cab

• Cargo Box Length @ Floor: 79.4 inches

• Cargo Box Width @ Floor: 71.4 inches

• Cargo Box Width @ Wheelhousings: 50.6 inches

• Cargo Box Height: 22.4 inches

Short Bed

Available On: Crew Cab

• Cargo Box Length @ Floor: 69.9 inches

• Cargo Box Width @ Floor: 71.4 inches

• Cargo Box Width @ Wheelhousings: 50.6 inches

• Cargo Box Height: 22.4 inches

How Much Can the 2025 GMC Sierra 1500 Carry?

The 2025 GMC Sierra 1500 payload capacity varies by cab and body combination, trim level option, and whether you choose a two- or four-wheel drive model. Explore the 2025 GMC Sierra 1500 payload capacity by configuration below:

2025 GMC Sierra 1500 Payload Capacity:

Regular Cab, Standard Bed

Available On: Pro

• 2WD: 2,410 pounds

• 4WD: 2,291 pounds

Regular Cab, Long Bed

Available On: Pro

• 2WD: 2,441 pounds

• 4WD: 2,299 pounds

Double Cab, Standard Bed

Available On: Pro, SLE, Elevation

• 2WD: 2,204 pounds

• 4WD: 2,181 pounds

Crew Cab, Short Bed

Available On: Pro, SLE, Elevation, SLT, Denali

• 2WD: 2,186 – 2,286 pounds

Available On: Pro, SLE, Elevation, SLT, AT4, AT4X, Denali, Denali Ultimate

• 4WD: 2,172 – 2,472 pounds

Crew Cab, Standard Bed

Available On: Pro, SLE, Elevation, SLT, AT4, Denali

• 4WD: 2,115 – 2,315 pounds

2025 GMC Sierra 1500 Engine Options & Towing Capacity

In addition to its robust frame and chassis, which allows the 2025 GMC Sierra 1500 to carry an impressive amount of weight, its available engine options provide the power to move this full-size truck and its cargo down the streets of Columbus. Review the max towing capacity and specs of each engine option below:

2.7L TurboMax™ I4 Engine

Available On: Pro, SLE, Elevation

• Horsepower: 310 hp

• Torque: 430 lb-ft

• Transmission: 8-speed automatic transmission

• Max Towing Capacity: 9,500 pounds

5.3L EcoTec3 V8 Gas Engine

Available On: Pro, SLE, Elevation, SLT, Denali

• Horsepower: 355 hp

• Torque: 383 lb-ft

• Transmission: 10-speed automatic transmission

• Max Towing Capacity: 11,200 pounds

Duramax® 3.0L Turbo Diesel I6 Engine

Available On: SLE, Elevation, SLT, Denali, AT4, AT4X, Denali Ultimate

• Horsepower: 305 hp

• Torque: 495 lb-ft

• Transmission: 10-speed automatic transmission

• Max Towing Capacity: 13,200 pounds

6.2L EcoTec3 V8 Gas Engine

Available On: SLT, Denali, AT4, AT4X, Denali Ultimate

• Horsepower: 420 hp

• Torque: 460 lb-ft

• Transmission: 10-speed automatic transmission

• Max Towing Capacity: 13,000 pounds

Test-Drive the 2025 GMC Sierra 1500 at Sid Dillon Buick GMC Fremont!

Now that you know the dimensions of the GMC Sierra 1500 bed sizes and how much the GMC Sierra 1500 can carry, it’s time to experience this impressive truck in action. Contact us today to schedule your test drive in a new GMC Sierra 1500 at Sid Dillon Buick GMC Fremont! Our team will review all the available configurations and capabilities to ensure we find the best truck for your lifestyle and needs. See how much you can save with our new vehicle specials, and then get pre-approved for financing online so our finance experts can find the best loan or lease plan for your budget.