Honda Insight (2018) is 245 kg (540 lbs) lighter than Opel Insignia Sports Tourer (2014).
Opel Insignia Sports Tourer (2014) is 250 mm (9.84 inch) longer, 37 mm (1.46 inch) wider, 101 mm (3.98 inch) higher and has 132 liters (4.66 ft3) bigger cargo space than Honda Insight (2018).