Buick Regal TourX (2020) is 630 mm (24.80 inch) longer and 51 mm (2.01 inch) wider than Mitsubishi Outlander Sport (2017).
Mitsubishi Outlander Sport (2017) is 148 mm (5.83 inch) higher, 207 kg (456 lbs) lighter and has 14 liters (0.49 ft3) bigger cargo space than Buick Regal TourX (2020).