Mercedes GLS-Class (2021) is 471 mm (18.54 inch) longer, 79 mm (3.11 inch) wider, 103 mm (4.06 inch) higher and has 120 liters (4.24 ft3) bigger cargo space than Subaru Tribeca (2020).
Subaru Tribeca (2020) is 534 kg (1,177 lbs) lighter than Mercedes GLS-Class (2021).