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Multiemployer Pension Plans (Tables) | 12 Months Ended
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Dec. 31, 2024
Multiemployer Plan [Abstract] |
Multiemployer Plans |
|  |  |  | Pension Protection Act Zone Status |  | Contributions of AutoNation ($ in millions) (1) |  |  |  | Expiration Date of Collective-Bargaining Agreement
Pension Fund |  | EIN/Pension Plan Number |  | 2024 |  | 2023 |  | 2024 |  | 2023 |  | 2022 |  | Surcharge Imposed (2) |
Automotive Industries Pension Plan |  | 94-1133245 - 001 |  | Red |  | Red |  | $ | 1.2 |  |  | $ | 1.2 |  |  | $ | 1.3 |  |  | Yes |  | (3)
IAM National Pension Fund |  | 51-6031295- 002 |  | Red |  | Red |  | 0.2 |  |  | 0.2 |  |  | 0.2 |  |  | Yes |  | (4)
Other funds |  |  |  |  |  |  |  | — |  |  | 0.1 |  |  | 0.1 |  |  |  |  |
Total contributions |  |  |  |  |  |  |  | $ | 1.4 |  |  | $ | 1.5 |  |  | $ | 1.6 |  |  |  |  |
(1) Our stores were not listed in the Automotive Industries Pension Plan’s or IAM National Pension Fund’s Form 5500 as providing more than 5% of the total contributions for the plan years ended December 31, 2023 or 2022. (2) We paid surcharges to the Automotive Industries Pension Plan of $0.6 million, $0.6 million, and $0.6 million in 2024, 2023, and 2022 respectively. Surcharges to the IAM National Pension Fund were de minimis. (3) We are party to three collective-bargaining agreements that require contributions to the Automotive Industries Pension Plan each with an expiration date of June 30, 2027. (4) We are party to one collective-bargaining agreement that requires contributions to the IAM National Pension Fund with an expiration date of August 31, 2025.

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