Alfa Romeo Giulia (2019) is 24 mm (0.94 inch) wider and 264 kg (582 lbs) lighter than GMC Terrain (2016).
GMC Terrain (2016) is 64 mm (2.52 inch) longer, 248 mm (9.76 inch) higher and has 1342 liters (47.39 ft3) bigger cargo space than Alfa Romeo Giulia (2019).