4 ways Exter is better: 1- Dashcam. This is a huge safety feature. (No one will harass you) 2- Ground clearance 3- Boot space 4- AMT is cheaper to maintain 4 ways i20 is better: 1- Better stability and handling 2- More comfortable rear seat 3- Bose speaker with subwoofer in Asta variant 4- Smoother IVT transmission My choice i20