BMW 3 Series Gran Turismo (2018) is 35 mm (1.38 inch) higher, 73 kg (161 lbs) lighter and has 73 liters (2.58 ft3) bigger cargo space than Cadillac CT6 (2019).
Cadillac CT6 (2019) is 403 mm (15.87 inch) longer and 52 mm (2.05 inch) wider than BMW 3 Series Gran Turismo (2018).