Just had an interesting experience at the Mc dealer.
My first year 12C (silver/black/19k miles) went in for the airbag recall. Having driven a 720s a while back, a yellow trade in caught my eye. I asked for a quote. The yellow car's asking was good but the $85K bid for a straight, clean and nice 12c was disappointing. Perhaps I will consider a retail sale and, if the yellow car is still around, make a run at it.
My question for you folks is what is a reasonable retail number for the above car? It has ultra light wheels, carbon brakes and soft doors but otherwise is plain jane beautiful silver/black/black.
It seems that most (?) McLaren dealers do not want used 12Cs (particularly 2012s) to sell. I would have expected better for a trade-in offer though.
Is that the exhaustive list of options / upgrades? Mileage kills values - my (personal) rule of thumb is $1 per mile over 10k. It will also depend on when the next service is due, and if you have a current ESC, i.e. whether a new owner would be covered, or eligible to be, by an ESC. CCB is an option that is high on my list, but not that common, so I would be looking to market your car at people that are specifically looking for that option. It sounds like you also have the full leather option, which, IMO, is desirable (I find the fabric inserts look cheap). Without carbon fibre interior trim, I wouldn't be interested, and I'd also want engine bay CF. Volcano colours really help to sell, IMO.
My guess (because I don't see many actual sale values) would be $95-105k, depending on condition (including IRIS2), options, servicing and ESC. You'd need to deduct anything that doesn't work, e.g. HVAC screens (if applicable). Spring may help values, but I wouldn't bet on it.