Displacement: The Vortec 4300 has a displacement of 4.3 liters (262 cubic inches), while the Vortec 4800 has a displacement of 4.8 liters (293 cubic inches). This difference in displacement is due to the fact that the Vortec 4800 has a larger bore size than the Vortec 4300.
Power and Torque: The Vortec 4300 produces 195 horsepower and 250 lb-ft of torque, while the Vortec 4800 produces 255 horsepower and 285 lb-ft of torque. The Vortec 4800's increased power and torque are due to its larger displacement and higher compression ratio.
Fuel Efficiency: The Vortec 4300 is generally more fuel efficient than the Vortec 4800. This is because the Vortec 4300 has a smaller displacement and lower compression ratio, which results in improved fuel economy.
Applications: The Vortec 4300 was used in a variety of GM vehicles, including the Chevrolet Silverado, GMC Sierra, and Cadillac Escalade. The Vortec 4800 was used in a variety of GM vehicles, including the Chevrolet Express, GMC Savana, and Cadillac Escalade ESV.
Overall, the Vortec 4300 and Vortec 4800 engines are both reliable and capable powertrains. However, the Vortec 4800 offers more power and torque than the Vortec 4300, while the Vortec 4300 is generally more fuel efficient. Ultimately, the best choice for a particular application will depend on the specific needs and requirements of the user.