Mercedes GLA-Class (2017) is 115 mm (4.53 inch) longer and 64 mm (2.52 inch) wider than Mitsubishi Outlander Sport (2015).
Mitsubishi Outlander Sport (2015) is 20 mm (0.79 inch) higher, 158 kg (348 lbs) lighter and has 179 liters (6.32 ft3) bigger cargo space than Mercedes GLA-Class (2017).