BUICK (SGM) GL8 S II (CU3) 2.4 SIDI (2011-11-01 - 2012-12-01)

BUICK (SGM) GL8 S II (CU3) 3.0 V6 SIDI (2010-11-01 - )

BUICK (SGM) GL8 S II (CU3) 2.4 SIDI (2013-01-01 - 2016-12-01)

BUICK (SGM) GL8 S II (CU3) 2.5 SIDI (2017-02-01 - )

BUICK (SGM) GL8 S II (CU3) SIDI (2018-12-01 - )

BUICK (SGM) GL8 S II (CU3) 652T (2020-05-01 - )

BUICK (SGM) GL8 S II (CU3) 652T Mild Hybrid (2021-10-01 - )