Hyundai Kona (2020) is 14 mm (0.55 inch) wider and 13 mm (0.51 inch) higher than Mercedes B-Class (2014).
Mercedes B-Class (2014) is 213 mm (8.39 inch) longer, 215 kg (474 lbs) lighter and has 154 liters (5.44 ft3) bigger cargo space than Hyundai Kona (2020).