Buick Envision (2018) is 207 mm (8.15 inch) higher, 293 kg (646 lbs) lighter and has 262 liters (9.25 ft3) bigger cargo space than Mercedes S-Class (2016).
Mercedes S-Class (2016) is 579 mm (22.80 inch) longer and 60 mm (2.36 inch) wider than Buick Envision (2018).