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How big is the bed on a 2007 Chevy Avalanche?

In short, the cargo bed is 5 ft 9 in long in standard form, and can be extended to about 8 ft with Chevrolet’s Midgate feature.


The 2007 Avalanche uses a midgate between the cab and the bed that folds down to convert the short pickup bed into a longer loading area, allowing longer items to be hauled without moving the passengers. Here are the key figures and how the system works.


Bed sizes and the midgate


Key bed-length figures for the 2007 Avalanche are:



  • Standard bed length: 5 ft 9 in (69 inches).

  • Extended bed length with Midgate: up to about 8 ft (96 inches).


With the midgate extended and the rear window lowered, the load space effectively increases by roughly 27 inches (about 2 ft 3 in) beyond the standard bed length, enabling longer items to fit while still accommodating passengers when needed.


How the Midgate works


The Midgate is a folding panel located between the cab and the cargo bed. When you fold the midgate down (and lower the rear window in some configurations), the cargo area connects with the back of the cabin, creating a continuous storage bay that can reach about 8 feet in length. When the midgate is retracted, the bed reverts to its standard 5 ft 9 in length for everyday use.


Practical loading considerations


Owners typically use the extended 8-foot configuration for long, lighter items such as lumber, pipes, or long materials that would not fit in the standard bed alone. Heavier or bulkier loads require careful securing and attention to weight distribution, especially when the midgate is down and the long load extends into the cabin area.


Summary


The 2007 Chevy Avalanche offers a standard 5 ft 9 in bed, with an available Midgate that can extend cargo space to about 8 ft, giving a flexible balance between everyday hauling and longer-load capability.


Final notes


For exact measurements and how they interact with trim levels or aftermarket accessories, consult the vehicle’s original spec sheet or a GM dealership, as factory options can slightly affect usable bed dimensions.

How big is a Chevy Avalanche bed?


Dimensions

Wheelbase130 in.
Bed length63.0 in.
Turning circle43.7 ft.
Ground clearance8.6 in.
Angle of approach27.4 degrees



How big is the bed on a 2007 Avalanche?


The 2007 Chevy Avalanche has a standard bed length of 5 feet, 3 inches, which can be extended to 8 feet, 1 inch by lowering the Midgate and folding the rear seats down. The Midgate is a feature that allows the cargo bed to connect to the passenger cabin for carrying long items.
 

  • Standard bed length: 5′3′′5 prime 3 double prime5′3′′ (63.363.363.3 inches)
  • Extended bed length: 8′1′′8 prime 1 double prime8′1′′ (when the Midgate is opened)



How much is a 2007 avalanche worth today?


2007 Chevrolet Avalanche Value - $1,960-$7,257 | Edmunds.



What year is the Avalanche to stay away from?


Years to be cautious with include the 2003 (transmission problems), 2005 (3-4 clutch failure), and models with the Active Fuel Management (AFM) system, which was introduced around 2007. The 2011 and 2013 models also have notable recall issues.
 
This video discusses common problems with the Chevrolet Avalanche, including issues with the AFM system: 49sCCV TVYouTube · Apr 2, 2019
Years with significant issues 

  • 2003: Has a history of significant transmission problems, which can range from shifting issues to complete failure. 
  • 2005: Particularly prone to 3-4 clutch failure, which can leave the transmission stuck in second gear. 
  • 2011: Subject to recalls for rear axle cross pins that were improperly heat-treated, potentially leading to fracture and displacement. 
  • 2013: Has recalls for issues with the park lock cable or steering column lock actuator gear. 

Other considerations
  • 2007-2013 (Second Generation): This generation introduced the AFM system, which can lead to engine misfires, rough idling, and eventual engine damage if not properly maintained. 
  • Pre-2007: The engine in the first generation (2002-2006) is generally considered more durable, though the transmission may require more maintenance, and the plastic body cladding can fade and degrade over time. 
  • Rust: Regardless of the year, be cautious with models from rust-prone areas. The Avalanche's bed is also not watertight and tends to leak. 

How to choose
  • If engine longevity is a priority, consider the 2002-2006 models without AFM, but be prepared for potential transmission work. 
  • If you prefer a more modern vehicle, look for a model year that avoids the specific problems listed above. Even though the 2011 and 2013 models have specific recalls, they are generally considered reliable after the issues are addressed. 


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.