• Stellantis average operating margin for 2019 was 4.28%, a 16.89% decline from 2018.
• Stellantis average operating margin for 2018 was 5.15%, a 0.96% decline from 2017.
• Stellantis average operating margin for 2017 was 5.2%, a 7.44% decline from 2016.

Operating margin can be defined as operating margin measurement of what proportion of a company's revenue is left over after paying for variable costs of production such as wages, raw materials, etc.