CONSOLIDATED CONDENSED STATEMENTS OF INCOME (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Revenue:
Total revenues	$ 4,406.7	$ 3,630.6	$ 8,454.7	$ 6,979.9
Cost of sales:
Total cost of sales	3,739.8	3,071.1	7,163.8	5,893.8
Gross profit	666.9	559.5	1,290.9	1,086.1
Selling, general and administrative expenses	513.2	432.7	1,001.0	839.8
Depreciation	17.5	14.7	34.0	29.0
Operating income	136.2	112.1	255.9	217.3
Floor plan interest expense	(11.6)	(10.7)	(22.7)	(20.8)
Other interest expense	(13.1)	(11.9)	(26.2)	(23.4)
Equity in earnings of affiliates	10.9	8.9	16.0	11.2
Income from continuing operations before income taxes	122.4	98.4	223.0	184.3
Income taxes	(41.1)	(34.9)	(75.2)	(63.2)
Income from continuing operations	81.3	63.5	147.8	121.1
Loss from discontinued operations, net of tax	(7.4)	(1.0)	(6.0)	(0.6)
Net income	73.9	62.5	141.8	120.5
Less: Income attributable to non-controlling interests	1.0	0.5	1.4	0.8
Net income attributable to Penske Automotive Group common stockholders	72.9	62.0	140.4	119.7
Basic earnings per share attributable to Penske Automotive Group common stockholders:
Continuing operations (in dollars per share)	$ 0.89	$ 0.70	$ 1.62	$ 1.33
Discontinued operations (in dollars per share)	$ (0.08)	$ (0.01)	$ (0.07)	$ (0.01)
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 0.81	$ 0.69	$ 1.55	$ 1.32
Shares used in determining basic earnings per share (Note 6) (in shares)	90.4	90.3	90.4	90.3
Diluted earnings per share attributable to Penske Automotive Group common stockholders:
Continuing operations (in dollars per share)	$ 0.89	$ 0.70	$ 1.62	$ 1.33
Discontinued operations (in dollars per share)	$ (0.08)	$ (0.01)	$ (0.07)	$ (0.01)
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 0.81	$ 0.69	$ 1.55	$ 1.32
Shares used in determining diluted earnings per share (Note 6) (in shares)	90.4	90.3	90.4	90.4
Amounts attributable to Penske Automotive Group common stockholders:
Income from continuing operations	81.3	63.5	147.8	121.1
Less: Income attributable to non-controlling interests	1.0	0.5	1.4	0.8
Income from continuing operations, net of tax	80.3	63.0	146.4	120.3
Loss from discontinued operations, net of tax	(7.4)	(1.0)	(6.0)	(0.6)
Net income attributable to Penske Automotive Group common stockholders	72.9	62.0	140.4	119.7
New vehicle
Revenue:
Total revenues	2,238.1	1,894.0	4,264.4	3,610.8
Cost of sales:
Total cost of sales	2,065.2	1,752.3	3,934.8	3,335.4
Used vehicle
Revenue:
Total revenues	1,273.3	1,061.7	2,474.9	2,049.9
Cost of sales:
Total cost of sales	1,183.0	982.0	2,297.6	1,892.9
Finance and insurance, net
Revenue:
Total revenues	112.3	94.7	217.2	180.6
Service and parts
Revenue:
Total revenues	435.7	384.9	853.2	764.6
Cost of sales:
Total cost of sales	175.6	153.7	345.9	312.2
Fleet and wholesale
Revenue:
Total revenues	216.8	180.3	404.7	352.2
Cost of sales:
Total cost of sales	213.7	177.7	397.2	345.4
Commercial vehicles, car rental and other
Revenue:
Total revenues	130.5	15.0	240.3	21.8
Cost of sales:
Total cost of sales	$ 102.3	$ 5.4	$ 188.3	$ 7.9