2. Inventories

Inventories consisted of the following:

	September 30,		December 31,
	2015		2014
Retail automotive new vehicles	$	2,002.3	$	1,803.4
Retail automotive used vehicles	713.9		645.4
Retail automotive parts, accessories and other	110.0		104.3
Commercial truck dealership vehicles and parts	187.2		85.5
Commercial vehicle distribution vehicles and parts	175.0		197.8

Total inventories	$	3,188.4	$	2,836.4

We receive credits from certain vehicle manufacturers that reduce cost of sales when the vehicles are sold. Such credits amounted to $12.5 million and $12.7 million during the three months ended September 30, 2015 and 2014, respectively, and $32.7 million and $29.9 million during the nine months ended September 30, 2015 and 2014, respectively.