Wow! that is a bargain, i dont there is much difference between the one you ordered and 2021 model which is on the Hyundai website, other than cosmetic. some different colour options and a new infotainment and driver display
2021 Hyundai Kona vs 2017-2020: Facelift changes & differences compared
This website details some of the changes To me not worth the £2450 (or so) youre saving !!)