Porsche Boxster S 2005 good deal or not?

Dear all,

I got informed by a relative that a Porsche Boxster S 2005 with 40k miles with broken engine was available for 16k but is now 13k.

It's in pristine condition dark metalic blue, sand color leather, chrono package, 18" wheels...

I'm considering doing a Subaru engine swap ( i have Subaru engine and gearbox sitting in my garage) and I would like to know from you If the Porsche gearbox and the damaged engine could be worth something if I want to get rid of them.

Please let mek now if this is a good deal.

Thanks

Greg