Audi TTS (2015) is 500 kg (1,102 lbs) lighter than BMW 6 Series Gran Coupe (2016).
BMW 6 Series Gran Coupe (2016) is 820 mm (32.28 inch) longer, 53 mm (2.09 inch) wider, 39 mm (1.54 inch) higher and has 88 liters (3.11 ft3) bigger cargo space than Audi TTS (2015).
