Aston Martin Vantage (2017) is 54 mm (2.13 inch) wider than Opel Insignia Sports Tourer (2020).
Opel Insignia Sports Tourer (2020) is 184 mm (7.24 inch) longer, 220 mm (8.66 inch) higher, 139 kg (306 lbs) lighter and has 260 liters (9.18 ft3) bigger cargo space than Aston Martin Vantage (2017).