Mazda CX-30 (2015) is 55 mm (2.17 inch) longer, 105 mm (4.13 inch) wider, 135 mm (5.31 inch) higher and has 535 liters (18.89 ft3) bigger cargo space than Subaru Impreza GJ (2015).
Subaru Impreza GJ (2015) is 160 kg (353 lbs) lighter than Mazda CX-30 (2015).