Well, must say this, having bought and sold cars, for a living, for several years, some stealers of certain car makes will tell you more then others. Yes, the Data protection Act, popped up frequently. But some, tell you everything, and some even send you service copies, with things blanked out.
I found Vauxhall Dealers, to be the best of the bread and butter cars, and VW, stupidly ignorant. Yet Audi, had no issues!
Like Dicky says, not many Maserati dealers, so its on a system, somewhere. And doesn't the Mot [dvla], log any defects found?
Andy.