2. Inventories

Inventories consisted of the following:


	June 30,		December 31,
	2017		2016
Retail automotive dealership new vehicles	$	2,297.7	$	2,153.0
Retail automotive dealership used vehicles		892.1		771.7
Retail automotive parts, accessories and other		127.3		119.1
Retail commercial truck dealership vehicles and parts		169.4		170.3
Commercial vehicle distribution vehicles and parts		225.4		194.1
Total inventories	$	3,711.9	$	3,408.2

We receive credits from certain vehicle manufacturers that reduce cost of sales when the vehicles are sold. Such credits amounted to $10.6 million and $10.4 million during the three months ended June 30, 2017 and 2016, respectively, and $20.7 million and $21.8 million during the six months ended June 30, 2017 and 2016, respectively.