Nissan GT-R (2018) is 32 mm (1.26 inch) longer and 81 mm (3.19 inch) wider than Vauxhall Astra (Sedan) (2014).
Vauxhall Astra (Sedan) (2014) is 130 mm (5.12 inch) higher, 320 kg (705 lbs) lighter and has 145 liters (5.12 ft3) bigger cargo space than Nissan GT-R (2018).