Kia Stinger (2020) is 419 mm (16.50 inch) longer and 65 mm (2.56 inch) wider than Mercedes GLA-Class (2015).
Mercedes GLA-Class (2015) is 94 mm (3.70 inch) higher, 243 kg (536 lbs) lighter and has 15 liters (0.53 ft3) bigger cargo space than Kia Stinger (2020).