Cadillac CTS-V (2014) is 41 mm (1.61 inch) higher and 43 kg (95 lbs) lighter than Mercedes S-Class Coupe (2015).
Mercedes S-Class Coupe (2015) is 167 mm (6.57 inch) longer, 55 mm (2.17 inch) wider and has 12 liters (0.42 ft3) bigger cargo space than Cadillac CTS-V (2014).