Ok, so we're both of SAGA Insurance age, and it's £109 per annum TPFT. So we're laughing all the way to the Bank. It's just a 2nd car on-road about 6-8 months of the year. We use it for Peak District trips (hikers), and for frightening the BMW/Merc/Voyager drivers at Tescos (joking). It's also handy for dragging up leylandi trees, and towing a trailer load of rubbish to the tip. Only one day last winter when we really needed 4x4 traction though.
But 4x4s do have to seriously be considered as a viable mode of transport these days with fuel costs, rising Road Fund Licences etc. Strangely enough the SWB Frontera 8 valve, at 28 mpg is still a remarkably good proposition. Exhaust only £130, tyres now as low a £45 each, battery about £50; and of course no really big increase in tax on pre-2002 cars (as we've read it anyhow). Not chucking out half the pollution of some bigger 4x4s and saloons either!
If the Frontera does have to go then what would replace it? How much would you have to spend to get the replacement vehicle just 'right'? I'd bear this in mind in overall costing too. It seems such a shame to practically have to give away such a great car to someone else.
I'd SORN it for a while and chew it over a bit before making a mistake. Good Luck.
Tony.
PS: A Classic Landrover. Have you compared the heater in these to a Frontera!!

1996 2.0 Sport - owned since October 1998.
2002 Citroen Berlingo Multispace 1.6 16 valve 110 bhp.