You'll probably get told to use a lot of bubble wrap and get given a box that is about 4m x 4m x 1m probably
You could always drive it back and use a ferry. Be sloooooooooooow though.
My sister bought her A Class in Germany and drove it back to the UK. Even with all of the upgrades necessary to get it up to standard UK spec and the ferry and fuel costs, it still came out to be significantly under what it cost in the UK.