Alfa Romeo Stelvio (2016) is 43 mm (1.69 inch) wider, 201 mm (7.91 inch) higher and has 15 liters (0.53 ft3) bigger cargo space than Kia Optima (2020).
Kia Optima (2020) is 168 mm (6.61 inch) longer and 175 kg (386 lbs) lighter than Alfa Romeo Stelvio (2016).
