BMW 1 Series (2014) is 248 kg (547 lbs) lighter than GMC Terrain (2018).
GMC Terrain (2018) is 347 mm (13.66 inch) longer, 101 mm (3.98 inch) wider, 273 mm (10.75 inch) higher and has 1432 liters (50.57 ft3) bigger cargo space than BMW 1 Series (2014).