Hyundai i40 (2015) is 358 mm (14.09 inch) longer, 11 mm (0.43 inch) wider and has 84 liters (2.97 ft3) bigger cargo space than Mercedes GLA-Class (2014).
Mercedes GLA-Class (2014) is 24 mm (0.94 inch) higher and 297 kg (655 lbs) lighter than Hyundai i40 (2015).