Buick Enclave (2015) is 87 mm (3.43 inch) wider and 6 kg (13 lbs) lighter than Mercedes X-Class (2017).
Mercedes X-Class (2017) is 212 mm (8.35 inch) longer, 34 mm (1.34 inch) higher and has 500 liters (17.66 ft3) bigger cargo space than Buick Enclave (2015).