BMW 6 Series Gran Turismo (2019) is 416 mm (16.38 inch) longer, 91 mm (3.58 inch) wider, 124 mm (4.88 inch) higher and has 315 liters (11.12 ft3) bigger cargo space than Cadillac ATS-V (2017).
Cadillac ATS-V (2017) is 162 kg (357 lbs) lighter than BMW 6 Series Gran Turismo (2019).