Buick Regal TourX (2020) is 330 mm (12.99 inch) longer, 418 kg (922 lbs) lighter and has 250 liters (8.83 ft3) bigger cargo space than Mercedes GLC-Class (2014).
Mercedes GLC-Class (2014) is 28 mm (1.10 inch) wider and 176 mm (6.93 inch) higher than Buick Regal TourX (2020).