Cadillac CT6 (2020) is 114 mm (4.49 inch) longer and 26 mm (1.02 inch) wider than Chevrolet Impala (2016).
Chevrolet Impala (2016) is 23 mm (0.91 inch) higher, 170 kg (375 lbs) lighter and has 86 liters (3.04 ft3) bigger cargo space than Cadillac CT6 (2020).
