CONSOLIDATED CONDENSED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Revenue:
Total revenues	$ 7,695.3	$ 7,590.8	$ 22,962.1	$ 22,735.3
Cost of sales:
Total cost of sales	6,446.2	6,347.6	19,147.4	18,982.8
Gross profit	1,249.1	1,243.2	3,814.7	3,752.5
Selling, general, and administrative expenses	907.5	885.2	2,727.4	2,652.5
Depreciation	42.9	40.6	124.9	117.0
Operating income	298.7	317.4	962.4	983.0
Floor plan interest expense	(42.9)	(50.8)	(127.7)	(142.2)
Other interest expense	(22.0)	(22.9)	(66.1)	(64.1)
Gain on sale of dealership	0.0	0.0	52.3	0.0
Equity in earnings of affiliates	58.4	60.7	145.3	148.0
Income before income taxes	292.2	304.4	966.2	924.7
Income taxes	(78.7)	(77.4)	(256.8)	(238.6)
Net income	213.5	227.0	709.4	686.1
Less: Income attributable to non-controlling interests	0.5	0.9	2.1	3.6
Net income attributable to Penske Automotive Group common stockholders	$ 213.0	$ 226.1	$ 707.3	$ 682.5
Basic earnings per share attributable to Penske Automotive Group common stockholders:
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 3.23	$ 3.39	$ 10.67	$ 10.20
Shares used in determining basic earnings per share (in shares)	66,015,808	66,769,195	66,316,673	66,902,644
Diluted earnings per share attributable to Penske Automotive Group common stockholders:
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 3.23	$ 3.39	$ 10.66	$ 10.20
Shares used in determining diluted earnings per share (in shares)	66,030,183	66,784,587	66,331,048	66,918,036
Amounts attributable to Penske Automotive Group common stockholders:
Net income	$ 213.5	$ 227.0	$ 709.4	$ 686.1
Less: Income attributable to non-controlling interests	0.5	0.9	2.1	3.6
Net income attributable to Penske Automotive Group common stockholders	$ 213.0	$ 226.1	$ 707.3	$ 682.5
Cash dividends per share (in dollars per share)	$ 1.32	$ 1.07	$ 3.80	$ 2.90
Retail automotive dealership
Revenue:
Total revenues	$ 6,570.1	$ 6,340.7	$ 19,656.9	$ 19,434.1
Cost of sales:
Total cost of sales	5,503.8	5,299.2	16,398.0	16,260.4
Depreciation	37.2	35.3	108.2	101.7
Floor plan interest expense	(36.1)	(41.8)	(107.8)	(120.0)
Other interest expense	(18.8)	(21.8)	(54.3)	(61.8)
Equity in earnings of affiliates	0.0	0.5	0.5	2.7
Income before income taxes	180.8	177.7	655.2	586.5
Retail commercial truck dealership
Revenue:
Total revenues	918.6	1,063.3	2,685.9	2,747.4
Cost of sales:
Total cost of sales	782.3	906.2	2,265.0	2,301.0
Depreciation	4.1	3.9	12.2	11.2
Floor plan interest expense	(5.0)	(6.3)	(13.6)	(15.0)
Other interest expense	0.0	0.0	0.0	0.0
Equity in earnings of affiliates	0.0	0.0	0.0	0.0
Income before income taxes	41.5	56.5	140.8	158.7
Commercial vehicle distribution and other
Revenue:
Total revenues	206.6	186.8	619.3	553.8
Cost of sales:
Total cost of sales	$ 160.1	$ 142.2	$ 484.4	$ 421.4