Chevrolet Spark EV (2020) is 28 mm (1.10 inch) higher and 325 kg (717 lbs) lighter than Mercedes B-Class (2020).
Mercedes B-Class (2020) is 784 mm (30.87 inch) longer, 170 mm (6.69 inch) wider and has 133 liters (4.70 ft3) bigger cargo space than Chevrolet Spark EV (2020).