McLaren 650S Coupe (2015) is 239 mm (9.41 inch) wider and 412 kg (908 lbs) lighter than Mercedes E-Class (2014).
Mercedes E-Class (2014) is 367 mm (14.45 inch) longer, 240 mm (9.45 inch) higher and has 396 liters (13.98 ft3) bigger cargo space than McLaren 650S Coupe (2015).