BMW 6 Series Gran Turismo (2019) is 673 mm (26.50 inch) longer, 167 mm (6.57 inch) wider, 23 mm (0.91 inch) higher and has 187 liters (6.60 ft3) bigger cargo space than Chevrolet Sonic (Sedan) (2017).
Chevrolet Sonic (Sedan) (2017) is 499 kg (1,100 lbs) lighter than BMW 6 Series Gran Turismo (2019).