Hyundai Sonata (2016) is 444 mm (17.48 inch) longer, 30 mm (1.18 inch) wider, 89 kg (196 lbs) lighter and has 27 liters (0.95 ft3) bigger cargo space than Mercedes GLA-Class (2017).
Mercedes GLA-Class (2017) is 135 mm (5.31 inch) higher than Hyundai Sonata (2016).