The exact information regarding the cost of the Jaguar XF headlight can be only availed at the nearest authorized service centre. We would suggest you visit the nearest authorized service center for further assistance.
Generally the down payment of a car varies from 20-25% of the ex-showroom price. For more information, we would suggest you walk into the nearest dealership as they will be better people to assist you. You can click on the following link to see the details of the nearest dealership and selecting your city accordingly - Dealers.