The GMC 3500 can refer to two different vehicles: the Savana 3500 cargo van and the Sierra 3500HD heavy‑duty pickup. In general, the Savana 3500 offers gasoline engines (4.3L V6 and 6.0L V8) and, in newer models, a 2.8L Duramax turbo‑diesel; the Sierra 3500HD is typically equipped with a 6.6L Duramax turbo‑diesel V8, with a 6.6L gasoline V8 option available in some years.
Engine options for the GMC Savana 3500
The following are the primary engine choices that have been offered for the Savana 3500 cargo van, depending on model year and market.
- 4.3L V6 Vortec gasoline
- 6.0L V8 gasoline
- 2.8L Duramax turbo-diesel inline-4
Note: Availability of each option can vary by year, trim, and region.
Engine options for the GMC Sierra 3500HD
For the Sierra 3500HD heavy‑duty pickup, the main engine choices have typically included the following, across different years and configurations.
- 6.6L Duramax turbo-diesel V8
- 6.6L gasoline V8 (available in some model years or trims)
Horsepower, torque, and transmission pairing vary by year and configuration, so always check the exact spec sheet for the model you’re considering.
Year-by-year differences
Engine availability and specs can change with redesigns or updates to the lineup. Always verify the current engine option for a given model year and region, as GMC sometimes updates power ratings, emissions equipment, or transmission pairings.
Summary
In short, “GMC 3500” covers two distinct vehicles with different engine options: the Savana 3500 van offers gasoline engines (4.3L V6, 6.0L V8) and a 2.8L Duramax diesel in newer models, while the Sierra 3500HD pickup primarily uses a 6.6L Duramax turbo-diesel V8, with a gasoline 6.6L V8 option appearing in some years. Always confirm the exact engine for the specific year and trim you’re interested in.