BMW 3 Series Gran Turismo (2021) is 227 mm (8.94 inch) longer and 165 kg (364 lbs) lighter than Cadillac XT4 (2020).
Cadillac XT4 (2020) is 118 mm (4.65 inch) wider, 118 mm (4.65 inch) higher and has 116 liters (4.10 ft3) bigger cargo space than BMW 3 Series Gran Turismo (2021).