Lexus LFA (2014) is 112 mm (4.41 inch) longer and 109 mm (4.29 inch) wider than Mercedes B-Class (2014).
Mercedes B-Class (2014) is 337 mm (13.27 inch) higher, 219 kg (483 lbs) lighter and has 118 liters (4.17 ft3) bigger cargo space than Lexus LFA (2014).