BMW 3 Series Touring (2015) is 37 mm (1.46 inch) higher, 5 kg (11 lbs) lighter and has 201 liters (7.10 ft3) bigger cargo space than Cadillac ATS Coupe (2018).
Cadillac ATS Coupe (2018) is 30 mm (1.18 inch) longer and 31 mm (1.22 inch) wider than BMW 3 Series Touring (2015).