Specifications Comparison: 2003 GMC Sierra 1500 vs 2012 GMC Sierra 1500

Oil Capacity

Engine	Oil Capacity (Quarts)	Oil Capacity (Liters)	Viscosity
4.3L 6 Cyl. LU3	4.5 Qts.	4.3 L	5W-30
4.8L 8 Cyl.	6.0 Qts.	5.7 L	5W-30
5.3L 8 Cyl. L59 Flex	6.0 Qts.	5.7 L	5W-30
5.3L 8 Cyl. LM7	6.0 Qts.	5.7 L	5W-30
6.0L 8 Cyl.	6.0 Qts.	5.7 L	5W-30

Engine	Oil Capacity (Quarts)	Oil Capacity (Liters)	Viscosity
4.3L 6 Cyl.	4.5 Qts.	4.3 L	5W-30
4.8L 8 Cyl. L20 Flex	6.0 Qts.	5.7 L	5W-30
5.3L 8 Cyl. LC9 Flex	6.0 Qts.	5.7 L	5W-30
5.3L 8 Cyl. LMG Flex	6.0 Qts.	5.7 L	5W-30
6.0L 8 Cyl. LZ1	6.0 Qts.	5.7 L	5W-30
6.2L 8 Cyl. L9H Flex	6.0 Qts.	5.7 L	5W-30