Kia Pro Ceed (2017) is 79 mm (3.11 inch) wider, 1244 kg (2,743 lbs) lighter and has 25 liters (0.88 ft3) bigger cargo space than Mercedes GLS-Class (2021).
Mercedes GLS-Class (2021) is 1025 mm (40.35 inch) longer and 353 mm (13.90 inch) higher than Kia Pro Ceed (2017).