Audi TT RS (2018) is 18 mm (0.71 inch) wider and 53 kg (117 lbs) lighter than Opel Astra Sports Tourer (2017).
Opel Astra Sports Tourer (2017) is 507 mm (19.96 inch) longer, 180 mm (7.09 inch) higher and has 260 liters (9.18 ft3) bigger cargo space than Audi TT RS (2018).
