Mercedes GLC-Class (2014) is 13 mm (0.51 inch) wider than Subaru Tribeca (2018).
Subaru Tribeca (2018) is 208 mm (8.19 inch) longer, 61 mm (2.40 inch) higher, 189 kg (417 lbs) lighter and has 714 liters (25.21 ft3) bigger cargo space than Mercedes GLC-Class (2014).