Buick Regal (2017) is 536 mm (21.10 inch) longer and 87 mm (3.43 inch) wider than Mitsubishi Outlander Sport (2014).
Mitsubishi Outlander Sport (2014) is 158 mm (6.22 inch) higher, 270 kg (595 lbs) lighter and has 212 liters (7.49 ft3) bigger cargo space than Buick Regal (2017).