The information regarding the exchange offers offered and discounts can be only available at the nearest authorised dealership as the offers vary from one dealership to another dealership. However, you may check the offers by brands in the link above. Moreover, we would also suggest you to visit the nearest dealerships for further assistance regarding the exchange of your vehicle.
The XZ(O) variant is a high-end variant if compared to the XZ variant. The car gets more features on the XZ(O) as compared to the XZ variant of the car. Moreover, you may check out the given link for more information regarding the car.