Chevrolet Impala (2016) is 716 mm (28.19 inch) longer and 119 mm (4.69 inch) wider than Chevrolet Silverado 3500HD (2017).
Chevrolet Silverado 3500HD (2017) is 10 mm (0.39 inch) higher, 487 kg (1,074 lbs) lighter and has 1627 liters (57.46 ft3) bigger cargo space than Chevrolet Impala (2016).
