I went from a 1986 TRX200SX, 2wd only, (it was free and ran, what the heck) to a 2015 TRX500FM1, that is selectable 4x4 with disc brakes in front and drums on the rear.
I basically use them for transportation out to my duck blind (think mud and muck while overloaded) and a light tractor on my hilly property. I don't go for extended mileage rides / camping with it. I will do some trail riding / hill climbing, but not often.
With all that said, the 200 was adequate to get out to our blind, but grossly underpowered for any work. The 500 has plenty of power and will slog through VERY heavy mud and water and I'm still on the stock tires. The 500 is not geared low enough for any real hauling tasks that require a lot of torque, like a real tractor.
Good points so far, I do like the sportiness of the rancher. Anyone have any experience with the rubicon 500 vs the 450? Thinking about going auto this time around….