If you get insurance make sure it has european green card cover (no restrictions in Spain now) - legally your covered for three months travel outside UK, loads of people stay away for longer but they are clamping down on it. Riding on the toll motorway roads can be more expensive than you think but you make rapid progress if you want to get to an area of interest. UK is probably one of the easiest places in Europe to buy a car and get it registered and insured so you picked a good place to start.
I love the smell of twin V16's in the morning..
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