BMW X7 (2018) is 449 mm (17.68 inch) longer, 190 mm (7.48 inch) wider, 348 mm (13.70 inch) higher and has 260 liters (9.18 ft3) bigger cargo space than Mercedes C-Class (Estate) (2017).
Mercedes C-Class (Estate) (2017) is 860 kg (1,896 lbs) lighter than BMW X7 (2018).