Mercedes GL-Class (2017) is 1412 mm (55.59 inch) longer, 314 mm (12.36 inch) wider, 461 mm (18.15 inch) higher and has 439 liters (15.50 ft3) bigger cargo space than MINI Roadster (2015).
MINI Roadster (2015) is 1335 kg (2,943 lbs) lighter than Mercedes GL-Class (2017).