Hyundai i40 (2020) is 335 mm (13.19 inch) longer, 171 kg (377 lbs) lighter and has 90 liters (3.18 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 19 mm (0.75 inch) wider and 141 mm (5.55 inch) higher than Hyundai i40 (2020).