GMC 6.6ft truck bed

• The truck comes with 12 built-in tie-downs for securing loads

• The MultiPro™ Tailgate, standard across all bed sizes, adds up to six practical functions, including a load stop, integrated step, inner gate, and workstation mode

  GMC Sierra 1500 – GMC 6.6ft truck bed: Full Guide

  1. Structure & Availability

  • The GMC 6.6ft truck bed also known as the standard bed—measures approximately 79.4 inches in length and is widely available across the GMC Sierra 1500 lineup:

    • Crew Cab: GMC 6.6ft truck bed

    • Double Cab: GMC 6.6ft truck bed

    • Regular Cab: Standard bed also offered alongside long bed options

  • Widely touted as the “balanced” choice, it strikes a perfect harmony between cargo capacity and maneuverability. It fits typical loads (like lumber, appliances, toolboxes) while still allowing easier parking and urban driving compared to longer beds

  2. Dimensions GMC 6.6ft truck bed

  Measurement	Value
  Bed Length (At Floor)	79.4 inches
  Bed Width (At Floor)	71.4 inches
  Bed Width (At Wheelhousings)	~50.6 inches
  Bed Height (Interior)	~22.4 inches
  Bed Cargo Capacity (Volume)	~71.7 cubic feet
  Wheelbase (Crew Cab, Standard Bed)	~157 inches
  Overall Vehicle Length (Crew Cab)	~241.4 inches

  • Bed volume: ~71.7 cu. ft.

  • Width: 71.4″ at floor, ~50.6″ over wheel wells, interior height ~22.4″

  3. Cab & Bed Configurations

  • Crew Cab + Standard Bed
    Comfortable for five to six occupants; ideal for families or work crews who also need moderate cargo space .

  • Double Cab + Standard Bed
    A solid option for smaller crews or daily utility, balancing practicality and passenger comfort

  • Regular Cab + Standard Bed
    Available, but those focused on maximum hauling often choose the GMC 6.6ft truck bed instead

  4. Real-World Benefits

  Cargo Usability

  • The GMC 6.6ft truck bed is spacious enough for most DIY projects: appliances, gear, building materials.

  • You get sufficient load volume—71.7 cu. ft.—without sacrificing handling or city-friendliness

  Vehicle Dynamics

  • Crew Cab with GMC 6.6ft truck bed has an overall length of ~241.4 inches; manageable for urban driving and parking

  • Standard bed pairs with a ~157-inch wheelbase; shorter than long-bed variants, aiding agility

  Cargo Management Features

Summary: Why the GMC 6.6ft truck bed Often Wins

 Final Thoughts

The GMC 6.6ft truck bed on the GMC Sierra 1500 offers a harmonious blend of functionality, capacity, and maneuverability. It’s ideally suited to users who need a dependable daily driver with substantial hauling ability—without the parking headaches of a long bed.

Let me know if you’d like comparisons with the 5.8‑ or 8‑ft beds, payload ratings, accessory options, or how specific trims (like AT4 or Denali) may differ.

GMC Sierra 1500 – GMC 6.6ft truck bed (Standard Bed)

Basic Dimensions

The GMC 6.6ft truck bed is known as the “standard” bed in the GMC Sierra 1500 lineup. It’s a popular middle-ground option between the short 5.8-ft and long 8.2-ft beds.

 Available Cab Configurations

The GMC 6.6ft truck bed is available on these GMC Sierra 1500 body styles:

1. Double Cab

• Comes standard with the 6.6-ft bed.

• Offers seating for 5–6 passengers.

• Great for mixing passenger and cargo needs.

2. Crew Cab

• Offers the choice between:

  • Short Bed (5.8 ft)

  • Standard Bed (6.6 ft)

• The GMC 6.6ft truck bed version has a longer wheelbase (~157 inches) and overall length (~241.4 inches).

• Ideal if you want more rear legroom without sacrificing cargo space.

3. Regular Cab

• Can be paired with standard (6.6 ft) or long (8.2 ft) bed.

• Pure utility-focused option, maximizing cargo space and payload.

 Bed Functionality & Features

Standard Features

• 12 standard cargo tie-downs (500 lbs each).

• CornerStep rear bumper for easier access.

• LED cargo bed lighting available.

• Durabed construction:

  • High-strength steel

  • Enhanced durability and dent resistance

• Tailgate is lockable and EZ-Lift equipped.

Available Bed Upgrades

• MultiPro™ Tailgate:

  • Configurable in 6 positions:

    • Work surface

    • Full-width step

    • Load stop

    • Inner gate

    • Easy access mode

• Spray-in bedliner (factory or aftermarket).

• Tonneau covers, toolboxes, bed extenders, rack systems, and more.

 Payload & Towing (Varies by Trim/Engine)

GMC 6.6ft truck bed vs Other Bed Sizes

If you need a balance between cargo utility and city driving, GMC 6.6ft truck bed is often the ideal choice.

 Common Loads the GMC 6.6ft truck bed Can Handle

• 4×8 plywood sheets (fit diagonally or with tailgate down)

• Dirt bikes / ATVs

• Lawn equipment

• Construction tools & materials

• Small furniture/appliances

• Camping/hunting gear

• Worksite gear

The tailgate and tie-down system are designed to secure uneven loads safely.

 Compatibility with Accessories

The GMC 6.6ft truck bed is compatible with most aftermarket and OEM accessories:

 Popular Add-Ons:

• Soft/hard tonneau covers

• Bed racks (for ladders, kayaks, etc.)

• Bed extenders

• Toolboxes

• Slide-out drawers

• Truck bed tents (for camping)

• Bed mats or liners

 Example Use Cases

 Conclusion: Is the GMC 6.6ft truck bed Right for You?

Choose the GMC 6.6ft truck bed if:

• You need decent cargo room but still park in tight spaces.

• You carry tools, equipment, and weekend gear.

• You drive a mix of city and rural roads.

• You want more bed space than the short bed, but don’t need the full 8-footer.

 Skip it if:

• You need maximum cargo space daily (then go 8.2 ft).

• You want a very compact truck for city-only driving (go 5.8 ft).

 Final Word

The GMC 6.6ft truck bed on the GMC Sierra 1500 is a well-rounded, versatile option for most truck users. Whether you’re hauling tools, hitting a job site, or taking your gear into the wilderness, it gives you the space to load up without compromising handling too much. It’s arguably the best balance between cargo space and convenience in the Sierra lineup.