• AutoNation average operating margin for 2023 was 6.68%, a 14.36% decline from 2022.
• AutoNation average operating margin for 2022 was 7.8%, a 23.61% decline from 2021.
• AutoNation average operating margin for 2021 was 6.31%, a 174.35% increase from 2020.

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.