What state are you located? Got a 105 with 200k on the clock. Twin gas tanks and petrol. In SA
a low km dual fuel Land Cruiser appeals to me much more than an equivalent age diesel.
I tend to favour the environmentally cleaner option of LPG-petrol compared to diesel (despite acknowledging the torque benefits of diesel). Over a couple decades I've run a dual fuel FJ60 LandCruiser and a dual fuel Disco One V8, happy with the running costs (as one runs them on LPG most of the time) and happy in thinking I was running pretty clean emissions.