GMC Sierra 2500HD (2019) is 420 mm (16.54 inch) longer, 220 mm (8.66 inch) wider, 196 mm (7.72 inch) higher and has 686 liters (24.23 ft3) bigger cargo space than Mitsubishi Triton (2015).
Mitsubishi Triton (2015) is 801 kg (1,766 lbs) lighter than GMC Sierra 2500HD (2019).