BMW 3 Series Touring (2019) is 27 mm (1.06 inch) longer, 17 mm (0.67 inch) wider and has 20 liters (0.71 ft3) bigger cargo space than Mercedes C-Class (2020).
Mercedes C-Class (2020) is 2 mm (0.08 inch) higher and 205 kg (452 lbs) lighter than BMW 3 Series Touring (2019).