BMW 5 Series Gran Turismo (2018) is 526 mm (20.71 inch) longer, 132 mm (5.20 inch) wider and has 108 liters (3.81 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2016).
Chevrolet Sonic (Sedan) (2016) is 48 mm (1.89 inch) higher and 431 kg (950 lbs) lighter than BMW 5 Series Gran Turismo (2018).