If you are gonna go the double cab route I would suggest the 2.5 SRX hilux over the petrol 2.7. The older Isuzu's are also very well known for their reliability and are capable off road.

Here is a fully kitted Isuzu frontier for 109k

https://www.gumtree.co.za/a-cars-bak...70910077034209

I guess the only issue is going to be parking space...