Buick Regal (2014) is 3 mm (0.12 inch) wider and 246 kg (542 lbs) lighter than Mercedes E-Class (Estate) (2017).
Mercedes E-Class (Estate) (2017) is 64 mm (2.52 inch) longer, 13 mm (0.51 inch) higher and has 268 liters (9.46 ft3) bigger cargo space than Buick Regal (2014).
