Synthetic oils have excellent viscosity control and outstanding stability over a wider temperature range than mineral based oils.

1. Low overall viscosity means reduced friction in the fluid, resulting in improved engine efficiency and fuel economy, and better flow at lower ambient temperatures.
2. The viscosity of synthetic oils changes less with temperature compared with a normal mineral oil. This means that the oil does not become too thick when cold or too thin when hot, which reduces engines wear at temperature extremes.
3. The good high-temperature properties of synthetic oils mean that they are less prone to thinning at high temperatures. This gives better protection at high engine speeds (rpm) and when heavily loaded.