Cadillac XT4 (2020) is 206 mm (8.11 inch) longer, 161 mm (6.34 inch) wider, 70 mm (2.76 inch) higher and has 151 liters (5.33 ft3) bigger cargo space than Mercedes B-Class (2017).
Mercedes B-Class (2017) is 350 kg (772 lbs) lighter than Cadillac XT4 (2020).