BMW 5 Series Gran Turismo (2015) is 46 mm (1.81 inch) wider and 63 mm (2.48 inch) higher than Chevrolet Impala (2017).
Chevrolet Impala (2017) is 107 mm (4.21 inch) longer, 406 kg (895 lbs) lighter and has 33 liters (1.17 ft3) bigger cargo space than BMW 5 Series Gran Turismo (2015).