Audi TTS (2016) is 53 mm (2.09 inch) wider than Subaru Impreza GK (2020).
Subaru Impreza GK (2020) is 434 mm (17.09 inch) longer, 114 mm (4.49 inch) higher, 260 kg (573 lbs) lighter and has 8 liters (0.28 ft3) bigger cargo space than Audi TTS (2016).
