Cadillac CT6 (2018) is 94 mm (3.70 inch) longer and 28 mm (1.10 inch) wider than Chevrolet Impala Limited (2016).
Chevrolet Impala Limited (2016) is 18 mm (0.71 inch) higher, 50 kg (110 lbs) lighter and has 94 liters (3.32 ft3) bigger cargo space than Cadillac CT6 (2018).
