2024 Gmc Denali 2024 Duramax Problems. There was a stuttering feeling as i slightly. Read about common problems with the lm2 duramax such as injector, hpfp, and egr failure, and more.
2020 gmc sierra 2500hd denali 4dr crew cab 4wd sb (6.6l 8cyl 6a) 17 of 19 people found this review helpful duramax with allison 10speed super smooth and quick! From a standstill, 60 mph arrives in 6.4 seconds.