Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2025

Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of the changes in accumulated other comprehensive income/(loss) by component and the reclassifications out of accumulated other comprehensive income/(loss) attributable to the entity's common stockholders

Changes in accumulated other comprehensive loss by component during the three months ended March 31, 2025 and 2024, respectively, attributable to Penske Automotive Group common stockholders follows:

Three Months Ended March 31, 2025

	Foreign Currency Translation		Other		Accumulated Other Comprehensive Loss
Balance at December 31, 2024	$	(354.0)	$	(10.5)	$	(364.5)
Other comprehensive income (loss), net of tax	55.2		(0.3)		54.9
Balance at March 31, 2025	$	(298.8)	$	(10.8)	$	(309.6)

Three Months Ended March 31, 2024

	Foreign Currency Translation		Other		Accumulated Other Comprehensive Loss
Balance at December 31, 2023	$	(262.6)	$	(1.5)	$	(264.1)
Other comprehensive income (loss), net of tax	(36.8)		3.6		(33.2)
Balance at March 31, 2024	$	(299.4)	$	2.1	$	(297.3)