BMW X7 (2018) is 521 mm (20.51 inch) longer, 222 mm (8.74 inch) wider, 367 mm (14.45 inch) higher and has 280 liters (9.89 ft3) bigger cargo space than Mercedes CLA-Class (2020).
Mercedes CLA-Class (2020) is 970 kg (2,138 lbs) lighter than BMW X7 (2018).