What is the difference in sae 10w30 and sae 10w30 sigma?

Answer 1

The primary difference between SAE 10W-30 and SAE 10W-30 Sigma typically lies in the formulation and additives used in the "Sigma" variant. While both oils have the same viscosity ratings and base oil properties, "Sigma" may indicate a specific brand or product line that includes enhanced performance characteristics, such as improved wear protection, cleaning agents, or better thermal stability. Always refer to the product specifications and recommendations for the best application.