How Many Generations of GMC Sierra 1500 Are There?
Over the time period from 1999 to 2023, 7 generations of GMC Sierra 1500 were produced.
In the chart below, you can find in what period different generations of GMC Sierra 1500 were produced, what engines were installed on them, and what are the main differences between the cars of different years.
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Fifth generation (GMTT1XX) - Facelift
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Fifth generation (GMTT1XX)
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Fourth generation (GMTK2XX) - Facelift
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Fourth generation (GMTK2XX)
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Third generation (GMT900)
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Second generation (GMT800) - Facelift
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Second generation (GMT800)

GMC Sierra 1500 specs
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Performance
Engine |
0-60 times |
Horsepower |
Upgrades |
Exterior
Wheels |
Wheel Interchange |
Bulbs |
Dimensions |
Ground clearance |
Weight |
Upgrades |
Interior
Steering wheel |
Speakers size |
Upgrades |
Maintenance
Towing Capacity |
Wipers size |
Fuses |
Gas tank size |
Truck bed size |
Safety ratings |
Complaints |
Generations |
Upgrades |
Manuals |
Mpg |
Discussion