CONSOLIDATED CONDENSED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Total revenues	$ 7,339.0	$ 6,975.4
Cost of sales:
Total cost of sales	6,086.7	5,743.7
Gross profit	1,252.3	1,231.7
Selling, general, and administrative expenses	844.9	797.8
Depreciation	33.9	31.9
Operating income	373.5	402.0
Floor plan interest expense	(27.9)	(7.5)
Other interest expense	(20.8)	(16.5)
Equity in earnings of affiliates	82.1	119.6
Income before income taxes	406.9	497.6
Income taxes	(107.3)	(128.1)
Net income	299.6	369.5
Less: Income attributable to non-controlling interests	1.3	1.6
Net income attributable to Penske Automotive Group common stockholders	$ 298.3	$ 367.9
Basic earnings per share attributable to Penske Automotive Group common stockholders:
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 4.31	$ 4.76
Shares used in determining basic earnings per share (in shares)	69,201,232	77,224,165
Diluted earnings per share attributable to Penske Automotive Group common stockholders:
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 4.31	$ 4.76
Shares used in determining diluted earnings per share (in shares)	69,218,861	77,249,165
Amounts attributable to Penske Automotive Group common stockholders:
Net income	$ 299.6	$ 369.5
Less: Income attributable to non-controlling interests	1.3	1.6
Net income attributable to Penske Automotive Group common stockholders	$ 298.3	$ 367.9
Cash dividends per share (in dollars per share)	$ 0.61	$ 0.47
Retail automotive dealership
Revenue:
Total revenues	$ 6,299.8	$ 6,029.2
Cost of sales:
Total cost of sales	5,237.2	4,978.5
Retail commercial truck dealership
Revenue:
Total revenues	895.6	792.3
Cost of sales:
Total cost of sales	748.6	651.1
Commercial vehicle distribution and other
Revenue:
Total revenues	143.6	153.9
Cost of sales:
Total cost of sales	$ 100.9	$ 114.1