Honda CR-Z (2015) is 403 kg (888 lbs) lighter than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 836 mm (32.91 inch) longer, 116 mm (4.57 inch) wider, 119 mm (4.69 inch) higher and has 335 liters (11.83 ft3) bigger cargo space than Honda CR-Z (2015).