• GATX average gross margin for 2023 was 72.87%, a 0.15% increase from 2022.
• GATX average gross margin for 2022 was 72.76%, a 2.94% increase from 2021.
• GATX average gross margin for 2021 was 70.68%, a 4.29% increase from 2020.

Gross margin can be defined as a company's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as a percentage.