BMW 8 Series (G14) (2018) is 881 mm (34.69 inch) longer, 73 mm (2.87 inch) wider and has 65 liters (2.30 ft3) bigger cargo space than Peugeot 208 (2014).
Peugeot 208 (2014) is 111 mm (4.37 inch) higher and 863 kg (1,903 lbs) lighter than BMW 8 Series (G14) (2018).