BMW 3 Series Gran Turismo (2021) is 1 mm (0.04 inch) wider and 22 mm (0.87 inch) higher than Peugeot 508 SW (2017).
Peugeot 508 SW (2017) is 4 mm (0.16 inch) longer, 5 kg (11 lbs) lighter and has 9 liters (0.32 ft3) bigger cargo space than BMW 3 Series Gran Turismo (2021).