You really need to get a 3rd party pre purchase inspection on the car, even if you have to pay someone to go to the location of the vehicle or take the vehicle to the inspector.
Find someone who works on Boxsters as they have special issues.
Good repair records are great to have. However, knowing that everything that needed repair or replacement has had it done already by a 3rd party is priceless.
And yes, that's a lot of cash for that car here in America, but not nearly as much as Singapore, where the same car might cost more than $100,000 USD