Vauxhall Astra (Sedan) (2017) is 14 mm (0.55 inch) higher, 60 kg (132 lbs) lighter and has 10 liters (0.35 ft3) bigger cargo space than Volkswagen Passat (2017).
Volkswagen Passat (2017) is 208 mm (8.19 inch) longer and 20 mm (0.79 inch) wider than Vauxhall Astra (Sedan) (2017).