BMW 5 Series Gran Turismo (2019) is 300 mm (11.81 inch) longer, 61 mm (2.40 inch) wider, 58 mm (2.28 inch) higher and has 149 liters (5.26 ft3) bigger cargo space than Cadillac ATS (2018).
Cadillac ATS (2018) is 154 kg (340 lbs) lighter than BMW 5 Series Gran Turismo (2019).