Mercedes A-Class (2015) is 335 kg (739 lbs) lighter than Tesla Model 3 (2018).
Tesla Model 3 (2018) is 402 mm (15.83 inch) longer, 69 mm (2.72 inch) wider, 10 mm (0.39 inch) higher and has 84 liters (2.97 ft3) bigger cargo space than Mercedes A-Class (2015).