BMW 7 Series (2020) is 477 mm (18.78 inch) longer, 96 mm (3.78 inch) wider, 47 mm (1.85 inch) higher and has 134 liters (4.73 ft3) bigger cargo space than Cadillac ATS (2015).
Cadillac ATS (2015) is 510 kg (1,124 lbs) lighter than BMW 7 Series (2020).