I say, I beg to differ. High mileage on an XJ40 is over 200K, and some cars have seen 300K before succumbing to old car ills.The list of troubles is pretty short. Steering rack leaks. Common, and curable forever at a price. ZF made racks for later versions, and they bolt in. Pricy, but you only do it once. Most decent Jag vendors know about the upgrade. The Diffs can make noise. This seems random, some cars have it and some don't Look through records for a diff change. And the headgaskets leak oil above where the distributor is. The only cure is to change the gasket, but the gaskets are upgraded, so you only do it once. The other biggie is that some cars need the AC evaporator replaced. This is a 10 to 12 hour job (dash out), but it is just time consuming, not difficult to do. Otherwise, headlamps and tail lamps are expensive, and so are door handles. I have bought 2 of these in the last year, 1 for 1 k, and a van den Plas for 2K I sold one to my lawyer, and the VDP is going to a good customer. I love these cars, they are the "dodge dart" of british cars. You know, the car that they got right, so had to replace. The later XJ6s have much more electrical stuff, and so many more problems, and the V8s have a raft of troubles of their own. I think this would be a great car for a kid, and as long as the insurance dosen't kill you, it is a real good way to go. Make sure that the car you are looking at has service records, and a stamped service book. Maintainence is important!!.Many folks think that these cars are ugly, but they are really good CARS, much better than you might expect.
For the record, I run a shop that fixes European cars, and I fix a lot of Volvos. Anything after 99 you can't fix as all, and the earlier ones are rattley pigs of a car. Slow as molassas, and they have to be safe, 'cause you sure aren't going to avoid an accident without spending a ton of dough at IPD. The Jags are far easier to work on, and they need a lot less work car for car. I mean Volvos have struts and a live axle vs. the Jag with 4 wheel independant suspension. They are just not in the same class.
Just my 2 cents this AM
Jesse