Cadillac CTS (2015) is 39 mm (1.54 inch) higher, 239 kg (527 lbs) lighter and has 47 liters (1.66 ft3) bigger cargo space than Mercedes S-Class Coupe (2015).
Mercedes S-Class Coupe (2015) is 60 mm (2.36 inch) longer and 63 mm (2.48 inch) wider than Cadillac CTS (2015).