BMW 6 Series Gran Turismo (2019) is 505 mm (19.88 inch) longer, 39 mm (1.54 inch) wider, 67 mm (2.64 inch) higher and has 1 liters (0.04 ft3) bigger cargo space than Peugeot 308 SW (2017).
Peugeot 308 SW (2017) is 445 kg (981 lbs) lighter than BMW 6 Series Gran Turismo (2019).