BMW 6 Series Gran Turismo (2019) is 48 mm (1.89 inch) wider, 43 mm (1.69 inch) higher and has 76 liters (2.68 ft3) bigger cargo space than Chevrolet Impala (2019).
Chevrolet Impala (2019) is 23 mm (0.91 inch) longer and 71 kg (157 lbs) lighter than BMW 6 Series Gran Turismo (2019).