The 2014 Silverado uses the EcoTec3 5.3-liter V8, engine code L83.
In the 2014 model year, Chevrolet equipped the Silverado 1500 with the EcoTec3 5.3L V8 as the standard or available gasoline powerplant. This engine features direct injection, variable valve timing, and Active Fuel Management (cylinder deactivation) to balance power with efficiency, and it is paired with a six-speed automatic transmission for most configurations.
Engine details and specifications
Key characteristics of the 2014 Silverado's 5.3L engine:
- Engine family: EcoTec3 5.3L V8
- Engine code: L83
- Technology: Direct injection, variable valve timing, Active Fuel Management
- Displacement: 5.3 liters (approximately 325 cubic inches)
- Power and torque: around 355 horsepower and 383 lb-ft of torque
- Transmission: 6-speed automatic (typical pairing for most trims)
In practice, the L83 EcoTec3 5.3L V8 is the backbone of the Silverado’s light-duty lineup for that year, offering a strong blend of towing capability and on-road refinement.
Context and verification
For context, GM used different 5.3-liter variants across generations. The 2014 Silverado specifically employs the L83 EcoTec3 variant, which introduced direct injection and AFM into the Silverado’s 5.3L lineup and is separate from earlier 5.3L designs used in previous generations.
Summary: The 2014 Silverado's 5.3 engine is the EcoTec3 V8 with engine code L83, delivering about 355 hp and 383 lb-ft of torque, paired with a 6-speed automatic transmission and featuring direct injection, variable valve timing, and Active Fuel Management.