BMW 6 Series Gran Coupe (2017) is 1334 mm (52.52 inch) longer, 297 mm (11.69 inch) wider and has 136 liters (4.80 ft3) bigger cargo space than Chevrolet Spark (2015).
Chevrolet Spark (2015) is 157 mm (6.18 inch) higher and 872 kg (1,922 lbs) lighter than BMW 6 Series Gran Coupe (2017).