Alfa Romeo Giulia (2019) is 105 kg (231 lbs) lighter than GMC Sierra 2500HD (2015).
GMC Sierra 2500HD (2015) is 1440 mm (56.69 inch) longer, 172 mm (6.77 inch) wider, 552 mm (21.73 inch) higher and has 1277 liters (45.10 ft3) bigger cargo space than Alfa Romeo Giulia (2019).