The Aston Martin DBS is one of those achingly beautiful Aston flagship cars that will always find a ready used market. Will it be a classic model? Probably not. The DBS replaced the Vanquish and it was replaced by the Vanquish, which, in a nutshell, identifies where its manufacturer's allegiances lay. If the DBS was indeed marking time, it did so very successfully and there are many who prefer the sleeker lines of the DBS to the more powerhouse look and feel of a Vanquish. Here's what to look for when looking for a used example.