BMW 6 Series Gran Turismo (2020) is 22 mm (0.87 inch) wider, 66 mm (2.60 inch) higher, 233 kg (514 lbs) lighter and has 162 liters (5.72 ft3) bigger cargo space than Cadillac CT6-V (2020).
Cadillac CT6-V (2020) is 137 mm (5.39 inch) longer than BMW 6 Series Gran Turismo (2020).