CONSOLIDATED CONDENSED STATEMENTS OF INCOME - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Revenue:
Total revenues	$ 5,967.6	$ 5,658.6	$ 17,287.8	$ 17,345.8
Cost of sales:
Total cost of sales	5,097.9	4,806.0	14,698.8	14,739.0
Gross profit	869.7	852.6	2,589.0	2,606.8
Selling, general and administrative expenses	672.8	662.8	2,008.1	2,001.3
Depreciation	27.5	25.9	81.0	77.2
Operating income	169.4	163.9	499.9	528.3
Floor plan interest expense	(21.4)	(20.2)	(64.2)	(59.0)
Other interest expense	(32.9)	(28.3)	(93.2)	(86.7)
Equity in earnings of affiliates	43.3	41.7	109.6	95.0
Income from continuing operations before income taxes	158.4	157.1	452.1	477.6
Income taxes	(42.4)	(27.1)	(118.6)	(104.7)
Income from continuing operations	116.0	130.0	333.5	372.9
Income from discontinued operations, net of tax	0.1	0.1	0.3	0.2
Net income	116.1	130.1	333.8	373.1
Less: (Loss) income attributable to non-controlling interests	(0.1)	(0.1)	(0.4)	0.2
Net income attributable to Penske Automotive Group common stockholders	$ 116.2	$ 130.2	$ 334.2	$ 372.9
Basic earnings per share attributable to Penske Automotive Group common stockholders:
Continuing operations (in dollars per share)	$ 1.42	$ 1.53	$ 4.02	$ 4.37
Discontinued operations (in dollars per share)
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 1.42	$ 1.53	$ 4.03	$ 4.37
Shares used in determining basic earnings per share (in shares)	81,643,175	84,865,046	82,968,130	85,248,758
Diluted earnings per share attributable to Penske Automotive Group common stockholders:
Continuing operations (in dollars per share)	$ 1.42	$ 1.53	$ 4.02	$ 4.37
Discontinued operations (in dollars per share)
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 1.42	$ 1.53	$ 4.03	$ 4.37
Shares used in determining diluted earnings per share (in shares)	81,683,175	84,905,046	83,008,130	85,288,758
Amounts attributable to Penske Automotive Group common stockholders:
Income from continuing operations	$ 116.0	$ 130.0	$ 333.5	$ 372.9
Less: (Loss) income attributable to non-controlling interests	(0.1)	(0.1)	(0.4)	0.2
Income from continuing operations, net of tax	116.1	130.1	333.9	372.7
Income from discontinued operations, net of tax	0.1	0.1	0.3	0.2
Net income attributable to Penske Automotive Group common stockholders	$ 116.2	$ 130.2	$ 334.2	$ 372.9
Cash dividends per share (in dollars per share)	$ 0.40	$ 0.36	$ 1.17	$ 1.05
Retail Automotive Dealership
Revenue:
Total revenues	$ 5,155.4	$ 5,148.5	$ 15,442.9	$ 15,900.0
Cost of sales:
Total cost of sales	4,407.9	4,386.3	13,159.0	13,561.5
Retail Commercial Truck Dealership
Revenue:
Total revenues	692.3	385.3	1,451.4	1,016.5
Cost of sales:
Total cost of sales	605.7	327.5	1,251.9	859.7
Commercial Vehicle Distribution and Other
Revenue:
Total revenues	119.9	124.8	393.5	429.3
Cost of sales:
Total cost of sales	$ 84.3	$ 92.2	$ 287.9	$ 317.8