I know there are certain model years you may want to avoid because they have a tendency to burn oil. The Trooper is a good little rig and it is over built. I have owned several Isuzus over the years and they were okay vehicles. I have been more pleased with my Montero's because they seem more reliable and versatile. The Montero also came with a rear locker from the factory and ARB makes both front and rear lockers for the Montero. ARB makes a rear locker for the Trooper, but it can be pricey. Gearing options for the Trooper are also limited. The Trooper is a great vehicle and offers a lot of bang for the buck, but I think the Monty is a better option. Give them both a try and see what you like.
1985 Mitsubishi Pickup, 2.3L H.O. Turbo Diesel, Watercooled Turbo, $d56 Head, Custom '83 Injection pump, JK Rubicon axles w/elockers, 14" Fox Coilovers, Centerforce II, 5.0 Atlas II, ARB Bull Bar,
1983 Mitsubishi Pickup 4x4, Brand New 2.5L Turbo Diesel, Fully restored to stock specs.
1989 Isuzu Trooper SE, 2.6 ITEC, 60K orignal miles, Fully restored.
2009 Jetta Sportwagen TDI