Cadillac CT6-V (2020) is 348 mm (13.70 inch) longer and 75 mm (2.95 inch) higher than Mercedes E-Class (2016).
Mercedes E-Class (2016) is 191 mm (7.52 inch) wider, 205 kg (452 lbs) lighter and has 93 liters (3.28 ft3) bigger cargo space than Cadillac CT6-V (2020).