BMW 5 Series Touring (2018) is 340 mm (13.39 inch) longer, 84 mm (3.31 inch) wider, 135 mm (5.31 inch) higher and has 179 liters (6.32 ft3) bigger cargo space than Lexus IS (2015).
Lexus IS (2015) is 246 kg (542 lbs) lighter than BMW 5 Series Touring (2018).