Hmmmm. It looks to be in good nick, hard-top worth £1k, decent spec... And as the seller says, that is some very low mileage going on at 16k miles
I guess market rate would be a lot lower, so it seems ambitious... But a nice opening play, worth a punt at bargaining for someone who wants to buy it as a keeper. However the service history would need to check out if it's only been driven, what, just over 2k per year ? And there's no details that I saw. It does look good.
All that said, there are a few Ms on Autotrader at the moment for £14k or less and only 30-50k miles...