How Many Generations of GMC Sierra 2500HD Are There?
Over the time period from 2001 to 2023, 5 generations of GMC Sierra 2500HD were produced.
In the chart below, you can find in what period different generations of GMC Sierra 2500HD were produced, what engines were installed on them, and what are the main differences between the cars of different years.
-
Fifth generation (GMTT1XX)
-
Fourth generation (GMTK2XX)
-
Third generation (GMT900)
-
Second generation (GMT800) - Facelift
-
Second generation (GMT800)

GMC Sierra 2500HD specs
Compare
Performance
0-60 times |
Upgrades |
Exterior
Wheels |
Wheel Interchange |
Bulbs |
Dimensions |
Ground clearance |
Weight |
Upgrades |
Interior
Speakers size |
Upgrades |
Maintenance
Towing Capacity |
Wipers size |
Gas tank size |
Truck bed size |
Safety ratings |
Complaints |
Generations |
Upgrades |
Manuals |
Discussion