BMW 6 Series Gran Coupe (2018) is 159 mm (6.26 inch) longer, 74 mm (2.91 inch) wider and has 29 liters (1.02 ft3) bigger cargo space than Lexus GS (2016).
Lexus GS (2016) is 58 mm (2.28 inch) higher and 291 kg (642 lbs) lighter than BMW 6 Series Gran Coupe (2018).