How big is a 2008 Chevy Avalanche gas tank?
The 2008 Chevy Avalanche uses a 26-gallon fuel tank (about 98.4 liters).
Tank size and configuration
In 2008, the Avalanche was equipped with a single, factory-standard fuel tank. The specification commonly cited is 26 gallons for both two-wheel drive (2WD) and four-wheel drive (4WD) configurations. There was no dual-tank setup from the factory for this model year.
Details like tow capacity and engine choice (notably the 5.3L V8) do not change the standard tank size, though fuel economy and range will vary based on drivetrain, terrain, and driving style.
Key facts about the fuel tank
The following points summarize the tank size and related notes for the 2008 Avalanche:
- Volume: 26 gallons (approximately 98.4 liters)
- Configuration: Single fuel tank, standard across 2WD and 4WD models
- Factory options: No dual-tank option for this model year
- Range considerations: Real-world range depends on mpg, which varies by drivetrain and driving conditions
Bottom line: For 2008 Chevy Avalanche models, the gasoline capacity is 26 gallons, with the driving range influenced by engine efficiency and usage patterns.
How to verify the specification for your vehicle
To confirm the exact fuel-tank capacity for a specific 2008 Avalanche, consult the owner's manual, the vehicle’s data label (often found in the fuel-filler door or glove box), or Chevrolet’s official documentation for your VIN. While the standard tank size is 26 gallons for most configurations, there can be rare exceptions or regional variations.
Summary
The 2008 Chevy Avalanche is equipped with a single 26-gallon (roughly 98.4-liter) fuel tank in most configurations. This size provides a practical range that will vary with driving conditions, payload, and engine efficiency. For precise verification, refer to the manual or VIN-specific documentation.
