BMW 6 Series Gran Turismo (2018) is 195 mm (7.68 inch) longer, 48 mm (1.89 inch) wider, 43 mm (1.69 inch) higher and 116 kg (256 lbs) lighter than Mercedes E-Class (Estate) (2017).
Mercedes E-Class (Estate) (2017) has 61 liters (2.15 ft3) bigger cargo space than BMW 6 Series Gran Turismo (2018).