CONSOLIDATED CONDENSED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Revenue:
Total revenues	$ 3,399,867	$ 3,156,390
Cost of sales:
Total cost of sales	2,866,880	2,662,531
Gross profit	532,987	493,859
Selling, general and administrative expenses	413,312	386,705
Depreciation	14,449	12,950
Operating income	105,226	94,204
Floor plan interest expense	(10,211)	(9,493)
Other interest expense	(11,776)	(12,131)
Equity in earnings of affiliates	2,348	4,410
Income from continuing operations before income taxes	85,587	76,990
Income taxes	(28,381)	(26,908)
Income from continuing operations	57,206	50,082
Income (Loss) from discontinued operations, net of tax	813	(3,076)
Net income	58,019	47,006
Less: Income attributable to non-controlling interests	355	188
Net income attributable to Penske Automotive Group common stockholders	57,664	46,818
Basic earnings per share attributable to Penske Automotive Group common stockholders:
Continuing operations (in dollars per share)	$ 0.63	$ 0.55
Discontinued operations (in dollars per share)	$ 0.01	$ (0.03)
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 0.64	$ 0.52
Shares used in determining basic earnings per share (in shares)	90,421	90,306
Diluted earnings per share attributable to Penske Automotive Group common stockholders:
Continuing operations (in dollars per share)	$ 0.63	$ 0.55
Discontinued operations (in dollars per share)	$ 0.01	$ (0.03)
Net income attributable to Penske Automotive Group common stockholders (in dollars per share)	$ 0.64	$ 0.52
Shares used in determining diluted earnings per share (in shares)	90,457	90,338
Amounts attributable to Penske Automotive Group common stockholders:
Income from continuing operations	57,206	50,082
Less: Income attributable to non-controlling interests	355	188
Income from continuing operations, net of tax	56,851	49,894
Income (Loss) from discontinued operations, net of tax	813	(3,076)
Net income attributable to Penske Automotive Group common stockholders	57,664	46,818
New vehicle
Revenue:
Total revenues	1,742,833	1,543,991
Cost of sales:
Total cost of sales	1,607,458	1,414,388
Used vehicle
Revenue:
Total revenues	1,004,964	936,091
Cost of sales:
Total cost of sales	926,493	860,032
Finance and insurance, net
Revenue:
Total revenues	86,685	77,752
Service and parts
Revenue:
Total revenues	383,483	359,206
Cost of sales:
Total cost of sales	159,615	151,654
Other
Revenue:
Total revenues	181,902	239,350
Cost of sales:
Total cost of sales	$ 173,314	$ 236,457