Cadillac XTS (2014) is 1457 mm (57.36 inch) longer, 253 mm (9.96 inch) wider and has 186 liters (6.57 ft3) bigger cargo space than Chevrolet Spark (2018).
Chevrolet Spark (2018) is 48 mm (1.89 inch) higher and 783 kg (1,726 lbs) lighter than Cadillac XTS (2014).
