Mercedes GLC-Class (2017) is 10 mm (0.39 inch) wider and 209 mm (8.23 inch) higher than Volvo S90 (2018).
Volvo S90 (2018) is 427 mm (16.81 inch) longer, 224 kg (494 lbs) lighter and has 32 liters (1.13 ft3) bigger cargo space than Mercedes GLC-Class (2017).