The 2017 GMC Sierra truck bed is designed for real work and real adventures, offering a blend of capability, comfort, and technology. Understanding the precise bed dimensions and configurations helps buyers choose the right cab and box for hauling, towing, and daily use.
This guide breaks down key specifications, dimensions, and practical details for the 2017 GMC Sierra bed so you can plan fits, loads, and accessories with confidence.
| Cab Configuration | Bed Length | Bed Width (Inside) | Key Use Case |
|---|---|---|---|
| Double Cab / Standard Box | 6.5 ft (6151 mm) | 64.7 in (1643 mm) | Balanced workspace and rear-seat access |
| Crew Cab / Standard Box | 5.3 ft (5886 mm) | 64.7 in (1643 mm) | Compact bed with full cab access |
| Double Cab / Short Box | 5.3 ft (5886 mm) | 64.7 in (1643 mm) | Versatile layout for garages and maneuverability |
| Crew Cab / Full Box | 6.6 ft (6794 mm) | 98.4 in (2500 mm) | Maximum hauling and long materials capacity |
| Quad Cab / Standard Box | 5.3 ft (5886 mm) | 64.7 in (1643 mm) | Room for rear passengers with a compact bed |
Standard Box Configurations Across Cab Styles
The standard box configuration on the 2017 GMC Sierra keeps the bed width consistent across most cab choices, which simplifies fitting and planning. With a width of about 64.7 inches inside the bed, you get a predictable, stable platform for pallets, lumber, and tiedown points. The length varies primarily with the cab style, so matching your seating needs to bed length is the first step in choosing the right configuration.
For drivers who split their time between work tools and weekend trips, the Double Cab with a 6.5 ft box offers a practical compromise. The Crew Cab with a 5.3 ft standard box suits those who need a shorter turning circle while still wanting rear-seat flexibility. Selecting the right cab and standard box combination ensures you get bed length and cabin space aligned with your daily routine.
Long Box Options for Maximum Hauling
Full Box Length and Capacity
When hauling long materials, the 6.6 ft full box stands out as the largest bed option for the 2017 Sierra. With an overall length of about 6.6 feet and the same generous internal width, this configuration maximizes payload for lumber, pipes, and sheet goods. Choosing the full box is ideal if you regularly move materials that span beyond the shorter boxes and you need every extra inch.
Tailgate and Access Features
The tailgate design and integrated steps make loading and unloading safer and more efficient, especially with a long bed. Side steps and clearance from the ground help protect the box walls while you strap down cargo. These details matter when you move bulky items frequently and want a setup that works smoothly with ramps, dollies, and tie down straps.
Interior Space and Cab Comfort
Inside the cab, generous headroom, seat adjustability, and modern controls support long drives without fatigue. Premium materials, available power seats, and advanced infotainment options make even heavy hauling days more comfortable. Choosing the right cab and bed length is not only about capacity, but also about maintaining a pleasant, ergonomic workspace for every journey.
Noise insulation, climate control, and connectivity features ensure the driver stays focused and comfortable while the bed does the heavy lifting. This balance of cabin refinement and rugged capability is a signature of the 2017 GMC Sierra and appeals to both professionals and weekend adventurers.
Design and Practical Fit Considerations
The bed dimensions influence how easily the truck fits into garages, job sites, and narrow parking spots. Shorter boxes provide better maneuverability in tight urban environments, while longer boxes deliver extra reach for projects and gear. Considering your typical parking, towing, and hauling scenarios will guide you toward the most suitable bed size and cab layout.
Optional bed liners and tonneau covers add protection and security, helping preserve the box finish and keeping cargo safe from the elements. Accessories that complement your 2017 Sierra bed dimensions include tie down anchors, mounting brackets, and integrated lighting for night-time loading tasks.
Key Takeaways for Choosing Your 2017 GMC Sierra Bed
- Match cab style to seating needs: Double and Crew Cab options balance passenger space with bed length.
- Understand bed lengths: 5.3 ft for versatility, 6.5 ft for balance, and 6.6 ft for maximum hauling.
- Note consistent internal width: Around 64.7 inches across most boxes for predictable loading and tie downs.
- Consider full box if you frequently haul long materials, and use accessories like liners and covers for added protection.
- Evaluate parking and maneuverability needs alongside bed dimensions to suit daily driving and job site requirements.
FAQ
Reader questions
What is the bed length of the 2017 GMC Sierra with the Double Cab and standard box?
The bed length is 6.5 feet, which corresponds to a 6151 mm dimension that pairs well with everyday hauling and occasional long loads.
How does the bed width compare across different cab styles on the 2017 Sierra?
The internal bed width remains around 64.7 inches across most cab styles, giving you a consistent platform for tying down cargo and using standard accessories.
Can I fit a full-length material in a Crew Cab with a 5.3 ft standard box?
No, a full-length material that exceeds approximately 5.3 feet will not fit comfortably, so consider a Double Cab with a longer box if you regularly haul long items.
What are the practical benefits of choosing the 6.6 ft full box on the 2017 GMC Sierra?
The 6.6 ft full box maximizes hauling capacity for lumber, pipes, and sheet goods, making it ideal for contractors and DIYers who need the longest possible bed within the Sierra lineup.