Several gasoline engine sizes were available for the 2003 GMC Savana 3500, with 4.8-liter and 6.0-liter V8s being the most common.
In addition to those popular options, some 2003 Savana 3500 models were offered with smaller or alternative V8 configurations, depending on trim, cargo needs, and fleet specifications. The engine choice was tied to payload ratings and drivetrain configuration, rather than a single standard option across all units.
Engine options for the 2003 Savana 3500
The following gasoline engine displacements were available for the 2003 Savana 3500, depending on the specific model and options chosen from GM:
- 4.3 L V6
- 4.8 L V8
- 5.3 L V8
- 6.0 L V8
Availability varied by the vehicle’s trim level, fleet package, and production date. Always check the window sticker or VIN to confirm the engine size on a given vehicle.
Notes on configuration and suitability
For buyers prioritizing payload and durability, the 6.0 L V8 was a common choice in 3500 configurations due to its torque and towing capability. The smaller 4.3 L V6 was typically seen on less demanding setups or base models. The 4.8 L and 5.3 L V8s offered a balance of power and efficiency for standard cargo-use cases.
Summary
The 2003 GMC Savana 3500 offered multiple gasoline engine sizes, with the 4.8 L and 6.0 L V8s being the most widely used in 3500 cargo vans. Other options included the 4.3 L V6 and the 5.3 L V8, depending on configuration and market. When evaluating a used Savana from this year, verify the engine size via the VIN or the original window sticker.