I much prefer selling cars privately, as I haven't had any real problems with buyers, or sellers, TBH.
I know I shouted my mouth off about the E89 I just bought but that was because I was annoyed I wasn't told the 100% truth. Now I've calmed down and sorted the water issues, it is still a very good car.
The Z3 I bought was sold by a dodgy liar, yes, but it is still a very good car for the money and for what I want it for.
I am EXTREMELY fussy when it comes to buying (and selliing) cars. I tend to pay high prices but I expect the price to be justified by the quality of the product. I also am starting to understand that everyone's idea of 'immaculate' is wildly different, especially when selling!
The Mazda would not have been worth selling privately, as the difference in money I could have achieved would not have been worth the extra effort or potential aggravation.
The other four cars sold privately in the last couple of years were all easy and sold to decent buyers. If I had sold my Type R to the trade I would have lost over £4k against what I did sell it for. £4k is a lot of money to me!
Three of those four were sold 'blind' with no viewings until payday. The other was sold to a long-standing forum member on here who I knew I could trust; this was cemented the instant I spoke to him on the phone.