Specifications Comparison: 2021 GMC Sierra 1500 vs 2005 GMC Sierra 1500

Oil Capacity

Engine	Oil Capacity (Quarts)	Oil Capacity (Liters)	Viscosity
2.7L 4 Cyl. L3B Turbo	6.0 Qts.	5.7 L	5W-30
3.0L 6 Cyl. LM2 Diesel Turbo	7.0 Qts.	6.6 L	0W-20
4.3L 6 Cyl. LV3	6.0 Qts.	5.7 L	5W-30
5.3L 8 Cyl. L82	8.0 Qts.	7.6 L	0W-20
5.3L 8 Cyl. L82 Flex	8.0 Qts.	7.6 L	0W-20
5.3L 8 Cyl. L84	8.0 Qts.	7.6 L	0W-20
6.2L 8 Cyl. L87	8.0 Qts.	7.6 L	0W-20

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. L33	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. LQ9	6.0 Qts.	5.7 L	5W-30