BMW X7 (2018) is 256 mm (10.08 inch) longer, 146 mm (5.75 inch) wider, 309 mm (12.17 inch) higher and has 80 liters (2.83 ft3) bigger cargo space than Mercedes E-Class (Estate) (2017).
Mercedes E-Class (Estate) (2017) is 544 kg (1,199 lbs) lighter than BMW X7 (2018).