Cadillac ATS (2014) is 2 mm (0.08 inch) longer and 5 mm (0.20 inch) wider than Kia Forte (Sedan) (2018).
Kia Forte (Sedan) (2018) is 15 mm (0.59 inch) higher, 251 kg (553 lbs) lighter and has 52 liters (1.84 ft3) bigger cargo space than Cadillac ATS (2014).