As always agree @Glos Guy with your costings, but and I’m sure you have mentioned before is really down to an individuals finances on what they can do.
I went visit my parents in England over weekend and a neighbour has had a Dacia Sandero secured on her lifetime DLA award and traded her old one in to pay for the deposit. I believe it costs £210p/m but can’t be 100% sure She has done this ever since her husband died quite a few years ago as a means to get from a to b,