BMW 5 Series Gran Turismo (2018) is 690 mm (27.17 inch) longer, 63 mm (2.48 inch) wider, 11 mm (0.43 inch) higher and has 60 liters (2.12 ft3) bigger cargo space than Peugeot 308 (2016).
Peugeot 308 (2016) is 379 kg (836 lbs) lighter than BMW 5 Series Gran Turismo (2018).