BMW 6 Series Gran Turismo (2020) is 240 mm (9.45 inch) longer, 81 mm (3.19 inch) wider, 89 mm (3.50 inch) higher and has 179 liters (6.32 ft3) bigger cargo space than Lexus GS (2014).
Lexus GS (2014) is 185 kg (408 lbs) lighter than BMW 6 Series Gran Turismo (2020).