Using your existing car as part payment for a new one, is, of course, very common practice. For part exchanging your current vehicle and receiving tailored finance quotes, we advise you to contact your nearest Honda dealership. All Honda dealers are used car experts retailers and will, in almost every circumstance, be ready and willing to accept your existing car in this way. Further relevant information about it can be found here: https://www.honda.co.uk/cars/used/part-exchange.html.
Furthermore, they would be able to assist you further with any question related to your model of interest, provide you with the online brochure, and arrange a test drive for you. You can find your nearest dealer by entering your post code on this page: https://www.honda.co.uk/cars/dealer-search.html