BMW 1 Series (2015) is 1200 kg (2,646 lbs) lighter than Mercedes GL-Class (2020).
Mercedes GL-Class (2020) is 817 mm (32.17 inch) longer, 233 mm (9.17 inch) wider, 429 mm (16.89 inch) higher and has 320 liters (11.30 ft3) bigger cargo space than BMW 1 Series (2015).