BMW 6 Series Gran Coupe (2016) is 351 mm (13.82 inch) longer and 81 mm (3.19 inch) wider than Opel Astra (2017).
Opel Astra (2017) is 108 mm (4.25 inch) higher, 575 kg (1,268 lbs) lighter and has 1 liters (0.04 ft3) bigger cargo space than BMW 6 Series Gran Coupe (2016).
Size difference at a glance
BMW 6 Series Gran Coupe (2016) is 7.5% longer than Opel Astra (2017).
BMW 6 Series Gran Coupe (2016) is 4.5% wider than Opel Astra (2017).
BMW 6 Series Gran Coupe (2016) is 7.2% lower than Opel Astra (2017).
BMW 6 Series Gran Coupe (2016) is 40.9% heavier than Opel Astra (2017).
BMW 6 Series Gran Coupe (2016) is 0.2% smaller in cargo space than Opel Astra (2017).
Overall footprint
BMW 6 Series Gran Coupe (2016) has a 12.3% larger overall footprint (length × width).
