BMW 8 Series (G14) (2018) is 277 kg (611 lbs) lighter than GMC Acadia (2014).
GMC Acadia (2014) is 257 mm (10.12 inch) longer, 102 mm (4.02 inch) wider, 505 mm (19.88 inch) higher and has 830 liters (29.31 ft3) bigger cargo space than BMW 8 Series (G14) (2018).