BMW 8 Series (G15) (2018) is 136 mm (5.35 inch) longer and 53 mm (2.09 inch) wider than GMC Terrain (2018).
GMC Terrain (2018) is 343 mm (13.50 inch) higher, 176 kg (388 lbs) lighter and has 1372 liters (48.45 ft3) bigger cargo space than BMW 8 Series (G15) (2018).
Size difference at a glance
BMW 8 Series (G15) (2018) is 2.9% longer than GMC Terrain (2018).
BMW 8 Series (G15) (2018) is 2.9% wider than GMC Terrain (2018).
BMW 8 Series (G15) (2018) is 20.4% lower than GMC Terrain (2018).
BMW 8 Series (G15) (2018) is 10.1% heavier than GMC Terrain (2018).
BMW 8 Series (G15) (2018) is 76.6% smaller in cargo space than GMC Terrain (2018).
Overall footprint
BMW 8 Series (G15) (2018) has a 5.8% larger overall footprint (length × width).