How big is a 2005 Chevy Trailblazer gas tank?
The 2005 Chevy TrailBlazer is a mid-size SUV whose fuel capacity affects driving range and refueling plans. Understanding the tank size helps with trips and maintenance.
In general, the gas tank capacity for a 2005 TrailBlazer falls around 22 gallons for 2WD models and about 25 gallons for 4WD and extended-length variants.
The following explanation breaks down the tank size by common configurations and how to verify the exact size on your specific vehicle.
Fuel tank capacity by configuration
The figures below reflect typical capacities for common 2005 TrailBlazer configurations. Actual capacity can vary slightly by trim, body style, and production tolerances.
- 2WD models (gasoline V6, standard wheelbase): approximately 22 gallons (83 liters)
- 4WD/AWD models (gasoline V6): approximately 25 gallons (95 liters)
- TrailBlazer EXT (extended-wheelbase/extended-length): approximately 25 gallons (95 liters)
Note that these values provide a practical range for planning fuel stops and driving range. Exact capacity can differ by year, trim, and regional specifications, so consult official documentation for your specific vehicle if precision is required.
How to verify your exact tank size on your vehicle
To confirm the precise tank capacity for your exact vehicle, consult the following sources and references.
- Owner's manual or vehicle handbook, which lists the fuel capacity specification.
- Fuel door or trunk labeling that may display capacity details.
- VIN-based build sheet or Window Sticker (Monroney label) provided at purchase, which often lists fuel capacity.
- Contact a Chevrolet dealer or GM customer service with your VIN to verify the exact specification.
Knowing the exact capacity helps when calculating range, scheduling fuel stops, and planning long trips with confidence.
Practical implications for range and planning
With typical mixed driving MPG for a 2005 TrailBlazer around the high teens to low 20s, a 22–25 gallon tank could yield an approximate driving range of about 350 to 550 miles, depending on highway versus city conditions and your specific drivetrain configuration. Actual range will vary with driving style, terrain, and maintenance status.
Summary
The 2005 Chevy TrailBlazer generally uses a fuel tank in the low- to mid-20s of gallons. Most 2WD models hold about 22 gallons, while 4WD and extended-length variants hold about 25 gallons. For precise figures on your exact vehicle, check the owner’s manual, the VIN build sheet, or contact a Chevrolet dealer with your VIN. This information helps with trip planning and budgeting for fuel stops.
