Mazda CX-3 (2014) is 22 mm (0.87 inch) higher and 300 kg (661 lbs) lighter than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 638 mm (25.12 inch) longer, 91 mm (3.58 inch) wider and has 56 liters (1.98 ft3) bigger cargo space than Mazda CX-3 (2014).