Audi A3 Sportback (2017) is 114 mm (4.49 inch) longer, 59 mm (2.32 inch) higher, 150 kg (331 lbs) lighter and has 74 liters (2.61 ft3) bigger cargo space than Audi TTS (2018).
Audi TTS (2018) is 181 mm (7.13 inch) wider than Audi A3 Sportback (2017).
