BMW 3 Series Gran Turismo (2018) is 53 mm (2.09 inch) higher and has 30 liters (1.06 ft3) bigger cargo space than Opel Insignia Grand Sport (2017).
Opel Insignia Grand Sport (2017) is 73 mm (2.87 inch) longer, 35 mm (1.38 inch) wider and 370 kg (816 lbs) lighter than BMW 3 Series Gran Turismo (2018).
Size difference at a glance
BMW 3 Series Gran Turismo (2018) is 1.5% shorter than Opel Insignia Grand Sport (2017).
BMW 3 Series Gran Turismo (2018) is 1.9% narrower than Opel Insignia Grand Sport (2017).
BMW 3 Series Gran Turismo (2018) is 3.6% taller than Opel Insignia Grand Sport (2017).
BMW 3 Series Gran Turismo (2018) is 27.1% heavier than Opel Insignia Grand Sport (2017).
BMW 3 Series Gran Turismo (2018) is 6.1% larger in cargo space than Opel Insignia Grand Sport (2017).
Overall footprint
Opel Insignia Grand Sport (2017) has a 3.3% smaller overall footprint (length × width).
Side-by-side size
Length
Width
Height
Weight
Cargo space
BMW 3 Series Gran Turismo (2018) Opel Insignia Grand Sport (2017)