2009 Mitsubishi Pajero Pricing and Specs

This sounds like a classic case of a vehicle with a fuel pump that has died. Electric fuel pumps have a very finite lifespan and, when they stop, they do so suddenly, for no apparent reason and with the result that the engine will simply not start or run at all. By spraying starting fluid into the engine, you’re giving it a sniff of fuel; enough to make it fire, but not run for long.

You’re probably looking at a new fuel pump, but don’t forget to check fuses and relays, the lines for leaks and the various fuel filters for cleanliness.

The lack of performance suggests it could be in ‘limp home’ mode. Have a mechanic do a diagnostic check on it.

THE Jackaroo should be OK, but I'd look at a Pajero, which I think would be a better choice. As for the Falcon, the cars you are looking at have to be seen in isolation because of their age and kilometres. The Falcons are generally tough, but are known to have problems with radiators and head gaskets. At that number of kilometres I'd have the auto transmission carefully checked, particularly if you intend to tow.