What is the fuel tank capacity of the 2025 Silverado 2500?
The fuel tank capacity for the 2025 Silverado 2500HD is 36 gallons (about 136 liters) in most configurations. This figure is the standard spec listed by Chevrolet and impacts how far the truck can travel between fills. The following sections provide context and details for different setups and how to verify your specific build.
Capacity across configurations
Chevrolet’s official specs designate a 36-gallon tank as the standard capacity for the 2025 Silverado 2500HD in typical body styles. Exact capacity can vary with different cab/bed combinations, so it’s best to confirm the precise figure for your specific truck based on its build sheet.
- Standard capacity: 36 gallons (136 liters) for most 2025 Silverado 2500HD configurations.
- Variation by body style: Some cab and bed combinations may have different capacities; verify the exact spec for your exact truck.
In practice, buyers can expect a 36-gallon tank across the majority of 2025 Silverado 2500HD models, with the caveat to check the specific configuration if you need absolute precision.
Why tank size matters for driving range
Fuel tank capacity directly influences the expected driving range on a full tank. A 36-gallon tank provides substantial range for work duties, long trips, or towing, though actual figures depend on engine choice, drivetrain, payload, and driving conditions. For anyone planning extended trips or heavy use, understanding the tank size helps in estimating fuel stops and costs.
Summary
The 2025 Silverado 2500HD commonly features a 36-gallon fuel tank (approximately 136 liters), which is the standard spec for most configurations. If you’re purchasing or renting a specific build, check the dealer’s official spec sheet for the exact tank capacity tied to that cab/bed configuration to ensure you have precise information.
How many miles per gallon does a 2025 Silverado 2500 gas engine get?
The 2025 Silverado 2500HD gas engine has estimated fuel economy of about 13-14 mpg in the city and 17-18 mpg on the highway. Official EPA ratings are not provided for heavy-duty trucks, but these figures represent the general consensus from driver and reviewer estimates. Combined city and highway driving is expected to average around 15 mpg.
- City: 13-14 mpg
- Highway: 17-18 mpg
- Combined: Approximately 15 mpg
How many gallons does a 2025 Chevy Silverado hold?
A 2025 Chevy Silverado 1500 holds either 24.0 gallons or 28.3 gallons, depending on the cab size, while a 2025 Chevy Silverado 2500HD holds 36.0 gallons. The 1500 models with a Double Cab or Crew Cab have a 24-gallon tank, whereas the Regular Cab has a larger 28.3-gallon tank.
| Model | Fuel Tank Capacity |
|---|---|
| 2025 Silverado 1500 (Double or Crew Cab) | 24.0 gallons |
| 2025 Silverado 1500 (Regular Cab) | 28.3 gallons |
| 2025 Silverado 2500HD | 36.0 gallons |
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How big is a Chevy 2500 gas tank?
The standard fuel tank size for a Chevrolet 2500 is 36.0 gallons, which applies to both gas and diesel models. Aftermarket options, such as those from TITAN Fuel Tanks, can provide significantly larger capacities, with models offering up to 56 or even 62 gallons.
Standard fuel tank
- Capacity: 36.0 gallons
- Applies to: Both the gas and Duramax diesel engine options
Aftermarket options
- Capacity: Larger capacity tanks are available from third-party manufacturers. For example, TITAN offers 56-gallon tanks for certain configurations. Other brands offer tanks up to 62 gallons.
- Application: These are replacement tanks for drivers who need extended range and are not part of the standard factory equipment.
How big is the gas tank on a 2025 Chevy Silverado 2500HD?
The 2025 Chevy 2500 has a fuel tank capacity of 36.0 gallons for both the gas and diesel engine options.
- Fuel tank size: 36.0 gallons
- Applicable to both engine types: The 36-gallon capacity applies to models equipped with the 6.6L V8 gas engine and the 6.6L Duramax Turbo-Diesel V8 engine.
