The GMT900 platform debuted for the 2007 model year as GM’s next-generation full-size truck and SUV architecture. It replaced the GMT800 with a stiffer frame, more aerodynamic bodies, new interiors, advanced electronics, and a stronger focus on refinement. The GMT900 lineup spanned pickups, SUVs, and luxury models across Chevrolet, GMC, and Cadillac brands, including special […]
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