Cadillac STS (2018) is 301 mm (11.85 inch) longer and 74 mm (2.91 inch) wider than Nissan Sylphy (2018).
Nissan Sylphy (2018) is 67 mm (2.64 inch) higher, 514 kg (1,133 lbs) lighter and has 122 liters (4.31 ft3) bigger cargo space than Cadillac STS (2018).
