BMW 5 Series Gran Turismo (2020) is 257 mm (10.12 inch) longer, 57 mm (2.24 inch) wider, 36 mm (1.42 inch) higher and has 50 liters (1.77 ft3) bigger cargo space than Mercedes C-Class (2017).
Mercedes C-Class (2017) is 300 kg (661 lbs) lighter than BMW 5 Series Gran Turismo (2020).