Buick Excelle GT (2015) is 43 mm (1.69 inch) higher, 380 kg (838 lbs) lighter and has 24 liters (0.85 ft3) bigger cargo space than Cadillac ATS (2018).
Cadillac ATS (2018) is 56 mm (2.20 inch) longer and 8 mm (0.31 inch) wider than Buick Excelle GT (2015).
