Buick Regal (2016) is 1156 mm (45.51 inch) longer, 259 mm (10.20 inch) wider and has 79 liters (2.79 ft3) bigger cargo space than Chevrolet Spark (2015).
Chevrolet Spark (2015) is 66 mm (2.60 inch) higher and 646 kg (1,424 lbs) lighter than Buick Regal (2016).
