BMW 6 Series Gran Coupe (2016) is 871 mm (34.29 inch) longer, 115 mm (4.53 inch) wider and has 59 liters (2.08 ft3) bigger cargo space than Seat Arona (2017).
Seat Arona (2017) is 160 mm (6.30 inch) higher and 893 kg (1,969 lbs) lighter than BMW 6 Series Gran Coupe (2016).
