How many gallons does a 2005 Chevy Avalanche hold?
The 2005 Chevy Avalanche holds 31 gallons in its main fuel tank.
In practice, the Avalanche's 31‑gallon tank (about 117 liters) is standard across the commonly produced 2005 models, including both 2WD and 4WD versions. While trim and drivetrain choices can influence other specs, the fuel-tank size for that year remained at the 31‑gallon level, making it a reliable figure for owners and buyers checking capacity. For exact confirmation on a specific vehicle, consult the owner's manual or a GM spec sheet tied to the VIN.
Capacity specifics
The official specification lists 31 gallons (approximately 117 liters) as the fuel tank capacity for the 2005 Avalanche. This figure is typically consistent across 2WD/4WD configurations within that model year.
Notes about usable capacity
Actual usable fuel is slightly less than the nominal tank capacity due to reserve space and the tank design. Drivers may not be able to run the full 31 gallons before hitting the reserve indicator, and variations can occur due to production tolerances and aftermarket modifications.
Summary: The 2005 Chevy Avalanche generally uses a 31-gallon fuel tank (about 117 liters), providing a substantial driving range between fills. Always verify with manufacturer specs for a specific vehicle when precision matters.
