Alfa Romeo Stelvio (2017) is 507 mm (19.96 inch) longer, 71 mm (2.80 inch) wider, 318 mm (12.52 inch) higher and has 220 liters (7.77 ft3) bigger cargo space than Audi TT (2015).
Audi TT (2015) is 295 kg (650 lbs) lighter than Alfa Romeo Stelvio (2017).