Yes, you can buy a car with Bitcoin in the UK. There are a number of dealerships and private sellers who accept Bitcoin as payment for vehicles. However, it is important to note that the process of buying a car with Bitcoin can be slightly different than traditional methods. For instance, you may need to use a Bitcoin-specific platform or service to complete the purchase.
Additionally, you will need to make sure that you have enough Bitcoin to cover the entire cost of the vehicle, as most dealerships and sellers will not accept partial payments in cryptocurrency. But overall, buying a car with Bitcoin in the UK is definitely possible, and could even be a fairly straightforward process if you take the time to do your research beforehand.