McLaren 600LT (2019) is 74 mm (2.91 inch) wider and 242 kg (534 lbs) lighter than Opel Insignia Country Tourer (2015).
Opel Insignia Country Tourer (2015) is 308 mm (12.13 inch) longer, 317 mm (12.48 inch) higher and has 390 liters (13.77 ft3) bigger cargo space than McLaren 600LT (2019).