Cadillac XT4 (2021) is 51 mm (2.01 inch) wider, 191 mm (7.52 inch) higher, 290 kg (639 lbs) lighter and has 237 liters (8.37 ft3) bigger cargo space than Mercedes S-Class Coupe (2015).
Mercedes S-Class Coupe (2015) is 427 mm (16.81 inch) longer than Cadillac XT4 (2021).