McLaren 675LT Coupe (2016) is 281 mm (11.06 inch) wider and 117 kg (258 lbs) lighter than Opel Astra Sports Tourer (2017).
Opel Astra Sports Tourer (2017) is 152 mm (5.98 inch) longer, 347 mm (13.66 inch) higher and has 345 liters (12.18 ft3) bigger cargo space than McLaren 675LT Coupe (2016).