2020 GMC/Chevrolet Diesel Engine
“The optional engine remains the largely carryover 6.6-liter Duramax V-8 turbo-diesel—445 horses and 910 lb-ft—but is now mated to a 10-speed version of the excellent Allison automatic gearbox, up fro...
Forum Discussion
While I am obviously intrigued by all the new features. I'm not the guinea pig type. I would avoid the 1st years until the bugs are worked out.
We know there will be a few bugs,however the hope is there will not be any major issues.
We know there will be a few bugs,however the hope is there will not be any major issues.
