Aston Martin Vantage (2016) is 48 kg (106 lbs) lighter than Opel Insignia (2015).
Opel Insignia (2015) is 460 mm (18.11 inch) longer, 220 mm (8.66 inch) wider, 238 mm (9.37 inch) higher and has 240 liters (8.48 ft3) bigger cargo space than Aston Martin Vantage (2016).