McLaren Senna (2018) is 102 mm (4.02 inch) wider and 226 kg (498 lbs) lighter than Opel Insignia Sports Tourer (2015).
Opel Insignia Sports Tourer (2015) is 169 mm (6.65 inch) longer, 318 mm (12.52 inch) higher and has 560 liters (19.78 ft3) bigger cargo space than McLaren Senna (2018).