McLaren GT (2020) is 314 mm (12.36 inch) longer and 53 mm (2.09 inch) wider than Vauxhall Astra (Estate) (2017).
Vauxhall Astra (Estate) (2017) is 271 mm (10.67 inch) higher, 178 kg (392 lbs) lighter and has 120 liters (4.24 ft3) bigger cargo space than McLaren GT (2020).