BMW X7 (2020) is 1017 mm (40.04 inch) longer, 183 mm (7.20 inch) wider, 502 mm (19.76 inch) higher and has 415 liters (14.66 ft3) bigger cargo space than Mercedes SLK-Class (2017).
Mercedes SLK-Class (2017) is 1000 kg (2,205 lbs) lighter than BMW X7 (2020).