BMW 1 Series (2015) is 115 kg (254 lbs) lighter than Mercedes C-Class (Estate) (2020).
Mercedes C-Class (Estate) (2020) is 357 mm (14.06 inch) longer, 45 mm (1.77 inch) wider, 21 mm (0.83 inch) higher and has 130 liters (4.59 ft3) bigger cargo space than BMW 1 Series (2015).