Mercedes M-Class (2015) is 564 mm (22.20 inch) longer, 151 mm (5.94 inch) wider, 503 mm (19.80 inch) higher and has 447 liters (15.79 ft3) bigger cargo space than Toyota GT86 (2014).
Toyota GT86 (2014) is 935 kg (2,061 lbs) lighter than Mercedes M-Class (2015).