BMW X1 (2017) is 73 mm (2.87 inch) longer and 10 mm (0.39 inch) wider than Mitsubishi Outlander Sport (2019).
Mitsubishi Outlander Sport (2019) is 48 mm (1.89 inch) higher, 60 kg (132 lbs) lighter and has 109 liters (3.85 ft3) bigger cargo space than BMW X1 (2017).