1st: Volkswagen PhaetonPrice from £43,515
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If you want a rolling Fort Knox, the Volkswagen Phaeton is as close as you're going to get.
The highest-scoring car in the history of this survey barely puts a foot wrong, raking in points for its locks, stronghold storage and key security.
The Volkswagen is still only a little ahead of rivals, however, with the top five cars in this class getting
a double five-star rating.
2nd: Audi A8Price from £49,995
Etching vehicle identification marks on windows isn't hard, but it's about the only thing the A8 lacks. Otherwise it's difficult to find fault with Audi's luxury car.
3rd: Mercedes S-ClassPrice from £55,885
Again, no window etching, but an otherwise good performance. The S-Class narrowly beats the Lexus LS and Daimler Super Eight.