I just had a look on CarPoint and their valuation for a 2000 Defender 110 4dr. wagon 5sp. 2.4DTD is:-
private sale $10,100-$12,600
trade in $6,200- $8,700
RRP when new- $38,300
I think they are a bit conservative but not to the point of being 50% undervalued.
And IMHO anyone who wants to pay more than new price for an 11 years old Land Rover is a real wood duck.

