BMW 6 Series Gran Turismo (2019) is 246 mm (9.69 inch) longer, 42 mm (1.65 inch) wider, 107 mm (4.21 inch) higher and has 184 liters (6.50 ft3) bigger cargo space than Mercedes E-Class (Coupe) (2020).
Mercedes E-Class (Coupe) (2020) is 145 kg (320 lbs) lighter than BMW 6 Series Gran Turismo (2019).