BMW 3 Series Touring (2016) is 18 kg (40 lbs) lighter than Opel Insignia (2015).
Opel Insignia (2015) is 209 mm (8.23 inch) longer, 273 mm (10.75 inch) wider, 69 mm (2.72 inch) higher and has 45 liters (1.59 ft3) bigger cargo space than BMW 3 Series Touring (2016).
