McLaren 675LT Coupe (2016) is 281 mm (11.06 inch) wider and 47 kg (104 lbs) lighter than Opel Astra (2015).
Opel Astra (2015) is 112 mm (4.41 inch) longer, 312 mm (12.28 inch) higher and has 265 liters (9.36 ft3) bigger cargo space than McLaren 675LT Coupe (2016).