What size motor is in a 97 Silverado?
The 1997 Silverado came with several engine sizes depending on the model; common options were a 4.3L V6, a 5.0L V8, and a 5.7L V8 for light-duty pickups, plus a 7.4L V8 or a 6.5L turbodiesel for heavier-duty models.
Engine options by configuration
Light-duty Silverado 1500
The 1500 typically offered three gasoline powertrains across trims and options:
- 4.3L V6 (262 cu in)
- 5.0L V8 (305 cu in)
- 5.7L V8 (350 cu in)
These engines were paired with a range of transmissions, depending on the drivetrain and cab configuration.
In short, these options covered most light-duty 1997 Silverado configurations and provided a balance of power and payload for everyday use.
Heavy-duty Silverado 2500/3500
For heavy-duty work, the lineup included larger displacement engines, often used for towing and heavy payloads:
- 7.4L V8 (454 cu in) gasoline
- 6.5L Turbo Diesel V8 (approximately 396 cu in)
Availability of the diesel and the 7.4L could vary by cab/bed configuration and market.
In short, the 2500/3500 models could be equipped with either the gasoline 7.4L V8 or the 6.5L turbodiesel, with some configurations using a 7.4L gas engine paired with various transmissions.
Summary
The 1997 Silverado's engine lineup ranged from the compact 4.3L V6 to the 5.0L/5.7L V8s on light-duty trucks, with the heavy-duty options including the 7.4L V8 or the 6.5L turbodiesel. To know the exact motor in a specific truck, check the VIN or the factory label on the door jamb, as configurations varied by trim and body style.
