BMW 5 Series Gran Turismo (2017) is 338 mm (13.31 inch) longer, 90 mm (3.54 inch) wider, 129 mm (5.08 inch) higher and has 109 liters (3.85 ft3) bigger cargo space than Lexus IS (2020).
Lexus IS (2020) is 260 kg (573 lbs) lighter than BMW 5 Series Gran Turismo (2017).