Mercedes M-Class (2015) is 106 mm (4.17 inch) longer, 112 mm (4.41 inch) wider, 253 mm (9.96 inch) higher and has 150 liters (5.30 ft3) bigger cargo space than Opel Astra Sports Tourer (2017).
Opel Astra Sports Tourer (2017) is 675 kg (1,488 lbs) lighter than Mercedes M-Class (2015).