2026 GMC Sierra HD Trailering Tech: ProGrade and Camera Views Explained
2026 GMC Sierra HD Trailering Tech: ProGrade and Camera Views Explained For heavy-duty truck shoppers, trailering confidence matters just as much as power. The 2026 GMC Sierra HD brings both together with official GMC towing capability of up to 36,000 pounds when properly equipped, plus a suite of available technologies designed to make trailering feel…