Cadillac STS (2017) is 582 mm (22.91 inch) longer, 109 mm (4.29 inch) wider and has 1 liters (0.04 ft3) bigger cargo space than Kia Rio (Sedan) (2018).
Kia Rio (Sedan) (2018) is 157 mm (6.18 inch) higher and 528 kg (1,164 lbs) lighter than Cadillac STS (2017).
